<?xml version="1.0" encoding="us-ascii"?>
<!--XBRL document created by DFIN IXG 1.0.0.0 using Fujitsu Interstage XWand-->
<schema targetNamespace="http://www.vanguard.com/20210226" elementFormDefault="qualified" xmlns="http://www.w3.org/2001/XMLSchema" xmlns:trusteeseq="http://www.vanguard.com/20210226" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:nonnum="http://www.xbrl.org/dtr/type/non-numeric">
  <annotation>
    <appinfo>
      <link:linkbaseRef xlink:type="simple" xlink:href="trusteeseq-20210226_pre.xml" xlink:title="Presentation Links, all" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" />
      <link:linkbaseRef xlink:type="simple" xlink:href="trusteeseq-20210226_cal.xml" xlink:title="Calculation Links, all" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" />
      <link:linkbaseRef xlink:type="simple" xlink:href="trusteeseq-20210226_def.xml" xlink:title="Definition Links, all" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" />
      <link:linkbaseRef xlink:type="simple" xlink:href="trusteeseq-20210226_lab.xml" xlink:title="Label Links, all" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" />
      <link:roleType roleURI="http://www.vanguard.com/role/DocumentDocumentandEntityInformationElements" id="httpwwwvanguardcomroleDocumentDocumentandEntityInformationElements">
        <link:definition>000000 - Document - Document and Entity Information {Elements}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.vanguard.com/role/DocumentRiskReturnSummaryUnlabeledVanguardDiversifiedEquityFund" id="httpwwwvanguardcomroleDocumentRiskReturnSummaryUnlabeledVanguardDiversifiedEquityFund">
        <link:definition>000011 - Document - Risk/Return Summary {Unlabeled} - Vanguard Diversified Equity Fund</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.vanguard.com/role/ScheduleShareholderFees000012" id="httpwwwvanguardcomroleScheduleShareholderFees000012">
        <link:definition>000012 - Schedule - Shareholder Fees</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.vanguard.com/role/ScheduleAnnualFundOperatingExpenses000013" id="httpwwwvanguardcomroleScheduleAnnualFundOperatingExpenses000013">
        <link:definition>000013 - Schedule - Annual Fund Operating Expenses</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.vanguard.com/role/ScheduleExpenseExampleTransposed000014" id="httpwwwvanguardcomroleScheduleExpenseExampleTransposed000014">
        <link:definition>000014 - Schedule - Expense Example {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.vanguard.com/role/ScheduleExpenseExampleNoRedemption000015" id="httpwwwvanguardcomroleScheduleExpenseExampleNoRedemption000015">
        <link:definition>000015 - Schedule - Expense Example, No Redemption</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.vanguard.com/role/ScheduleAnnualTotalReturnsTransposedBarChart000016" id="httpwwwvanguardcomroleScheduleAnnualTotalReturnsTransposedBarChart000016">
        <link:definition>000016 - Schedule - Annual Total Returns {Transposed} [BarChart]</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.vanguard.com/role/ScheduleAverageAnnualTotalReturnsTransposed000017" id="httpwwwvanguardcomroleScheduleAverageAnnualTotalReturnsTransposed000017">
        <link:definition>000017 - Schedule - Average Annual Total Returns {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.vanguard.com/role/DocumentRiskReturnDetailUnlabeledVanguardDiversifiedEquityFund" id="httpwwwvanguardcomroleDocumentRiskReturnDetailUnlabeledVanguardDiversifiedEquityFund">
        <link:definition>000018 - Document - Risk/Return Detail {Unlabeled} - Vanguard Diversified Equity Fund</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.vanguard.com/role/DisclosureRiskReturnDetailDataElementsVanguardDiversifiedEquityFund" id="httpwwwvanguardcomroleDisclosureRiskReturnDetailDataElementsVanguardDiversifiedEquityFund">
        <link:definition>000019 - Disclosure - Risk/Return Detail Data {Elements} - Vanguard Diversified Equity Fund</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.vanguard.com/role/DocumentRiskReturnSummaryUnlabeledVanguardInternationalValueFund" id="httpwwwvanguardcomroleDocumentRiskReturnSummaryUnlabeledVanguardInternationalValueFund">
        <link:definition>000021 - Document - Risk/Return Summary {Unlabeled} - Vanguard International Value Fund</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.vanguard.com/role/ScheduleShareholderFees000022" id="httpwwwvanguardcomroleScheduleShareholderFees000022">
        <link:definition>000022 - Schedule - Shareholder Fees</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.vanguard.com/role/ScheduleAnnualFundOperatingExpenses000023" id="httpwwwvanguardcomroleScheduleAnnualFundOperatingExpenses000023">
        <link:definition>000023 - Schedule - Annual Fund Operating Expenses</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.vanguard.com/role/ScheduleExpenseExampleTransposed000024" id="httpwwwvanguardcomroleScheduleExpenseExampleTransposed000024">
        <link:definition>000024 - Schedule - Expense Example {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.vanguard.com/role/ScheduleExpenseExampleNoRedemption000025" id="httpwwwvanguardcomroleScheduleExpenseExampleNoRedemption000025">
        <link:definition>000025 - Schedule - Expense Example, No Redemption</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.vanguard.com/role/ScheduleAnnualTotalReturnsTransposedBarChart000026" id="httpwwwvanguardcomroleScheduleAnnualTotalReturnsTransposedBarChart000026">
        <link:definition>000026 - Schedule - Annual Total Returns {Transposed} [BarChart]</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.vanguard.com/role/ScheduleAverageAnnualTotalReturnsTransposed000027" id="httpwwwvanguardcomroleScheduleAverageAnnualTotalReturnsTransposed000027">
        <link:definition>000027 - Schedule - Average Annual Total Returns {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.vanguard.com/role/DocumentRiskReturnDetailUnlabeledVanguardInternationalValueFund" id="httpwwwvanguardcomroleDocumentRiskReturnDetailUnlabeledVanguardInternationalValueFund">
        <link:definition>000028 - Document - Risk/Return Detail {Unlabeled} - Vanguard International Value Fund</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.vanguard.com/role/DisclosureRiskReturnDetailDataElementsVanguardInternationalValueFund" id="httpwwwvanguardcomroleDisclosureRiskReturnDetailDataElementsVanguardInternationalValueFund">
        <link:definition>000029 - Disclosure - Risk/Return Detail Data {Elements} - Vanguard International Value Fund</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.vanguard.com/role/DocumentRiskReturnSummaryUnlabeledVanguardEmergingMarketsSelectStockFund" id="httpwwwvanguardcomroleDocumentRiskReturnSummaryUnlabeledVanguardEmergingMarketsSelectStockFund">
        <link:definition>000031 - Document - Risk/Return Summary {Unlabeled} - Vanguard Emerging Markets Select Stock Fund</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.vanguard.com/role/ScheduleShareholderFees000032" id="httpwwwvanguardcomroleScheduleShareholderFees000032">
        <link:definition>000032 - Schedule - Shareholder Fees</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.vanguard.com/role/ScheduleAnnualFundOperatingExpenses000033" id="httpwwwvanguardcomroleScheduleAnnualFundOperatingExpenses000033">
        <link:definition>000033 - Schedule - Annual Fund Operating Expenses</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.vanguard.com/role/ScheduleExpenseExampleTransposed000034" id="httpwwwvanguardcomroleScheduleExpenseExampleTransposed000034">
        <link:definition>000034 - Schedule - Expense Example {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.vanguard.com/role/ScheduleExpenseExampleNoRedemption000035" id="httpwwwvanguardcomroleScheduleExpenseExampleNoRedemption000035">
        <link:definition>000035 - Schedule - Expense Example, No Redemption</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.vanguard.com/role/ScheduleAnnualTotalReturnsTransposedBarChart000036" id="httpwwwvanguardcomroleScheduleAnnualTotalReturnsTransposedBarChart000036">
        <link:definition>000036 - Schedule - Annual Total Returns {Transposed} [BarChart]</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.vanguard.com/role/ScheduleAverageAnnualTotalReturnsTransposed000037" id="httpwwwvanguardcomroleScheduleAverageAnnualTotalReturnsTransposed000037">
        <link:definition>000037 - Schedule - Average Annual Total Returns {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.vanguard.com/role/DocumentRiskReturnDetailUnlabeledVanguardEmergingMarketsSelectStockFund" id="httpwwwvanguardcomroleDocumentRiskReturnDetailUnlabeledVanguardEmergingMarketsSelectStockFund">
        <link:definition>000038 - Document - Risk/Return Detail {Unlabeled} - Vanguard Emerging Markets Select Stock Fund</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.vanguard.com/role/DisclosureRiskReturnDetailDataElementsVanguardEmergingMarketsSelectStockFund" id="httpwwwvanguardcomroleDisclosureRiskReturnDetailDataElementsVanguardEmergingMarketsSelectStockFund">
        <link:definition>000039 - Disclosure - Risk/Return Detail Data {Elements} - Vanguard Emerging Markets Select Stock Fund</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.vanguard.com/role/DocumentRiskReturnSummaryUnlabeledVanguardAlternativeStrategiesFundRetail" id="httpwwwvanguardcomroleDocumentRiskReturnSummaryUnlabeledVanguardAlternativeStrategiesFundRetail">
        <link:definition>000041 - Document - Risk/Return Summary {Unlabeled} - Vanguard Alternative Strategies Fund (Retail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.vanguard.com/role/ScheduleShareholderFees000042" id="httpwwwvanguardcomroleScheduleShareholderFees000042">
        <link:definition>000042 - Schedule - Shareholder Fees</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.vanguard.com/role/ScheduleAnnualFundOperatingExpenses000043" id="httpwwwvanguardcomroleScheduleAnnualFundOperatingExpenses000043">
        <link:definition>000043 - Schedule - Annual Fund Operating Expenses</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.vanguard.com/role/ScheduleExpenseExampleTransposed000044" id="httpwwwvanguardcomroleScheduleExpenseExampleTransposed000044">
        <link:definition>000044 - Schedule - Expense Example {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.vanguard.com/role/ScheduleExpenseExampleNoRedemption000045" id="httpwwwvanguardcomroleScheduleExpenseExampleNoRedemption000045">
        <link:definition>000045 - Schedule - Expense Example, No Redemption</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.vanguard.com/role/ScheduleAnnualTotalReturnsTransposedBarChart000046" id="httpwwwvanguardcomroleScheduleAnnualTotalReturnsTransposedBarChart000046">
        <link:definition>000046 - Schedule - Annual Total Returns {Transposed} - Vanguard Alternative Strategies Fund (Retail) [BarChart]</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.vanguard.com/role/ScheduleAverageAnnualTotalReturnsTransposed000047" id="httpwwwvanguardcomroleScheduleAverageAnnualTotalReturnsTransposed000047">
        <link:definition>000047 - Schedule - Average Annual Total Returns {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.vanguard.com/role/DocumentRiskReturnDetailUnlabeledVanguardAlternativeStrategiesFundRetail" id="httpwwwvanguardcomroleDocumentRiskReturnDetailUnlabeledVanguardAlternativeStrategiesFundRetail">
        <link:definition>000048 - Document - Risk/Return Detail {Unlabeled} - Vanguard Alternative Strategies Fund (Retail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.vanguard.com/role/DisclosureRiskReturnDetailDataElementsVanguardAlternativeStrategiesFundRetail" id="httpwwwvanguardcomroleDisclosureRiskReturnDetailDataElementsVanguardAlternativeStrategiesFundRetail">
        <link:definition>000049 - Disclosure - Risk/Return Detail Data {Elements} - Vanguard Alternative Strategies Fund (Retail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.vanguard.com/role/DocumentRiskReturnSummaryUnlabeledVanguardCommodityStrategyFund" id="httpwwwvanguardcomroleDocumentRiskReturnSummaryUnlabeledVanguardCommodityStrategyFund">
        <link:definition>000051 - Document - Risk/Return Summary {Unlabeled} - Vanguard Commodity Strategy Fund</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.vanguard.com/role/ScheduleShareholderFees000052" id="httpwwwvanguardcomroleScheduleShareholderFees000052">
        <link:definition>000052 - Schedule - Shareholder Fees</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.vanguard.com/role/ScheduleAnnualFundOperatingExpenses000053" id="httpwwwvanguardcomroleScheduleAnnualFundOperatingExpenses000053">
        <link:definition>000053 - Schedule - Annual Fund Operating Expenses</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.vanguard.com/role/ScheduleExpenseExampleTransposed000054" id="httpwwwvanguardcomroleScheduleExpenseExampleTransposed000054">
        <link:definition>000054 - Schedule - Expense Example {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.vanguard.com/role/ScheduleExpenseExampleNoRedemption000055" id="httpwwwvanguardcomroleScheduleExpenseExampleNoRedemption000055">
        <link:definition>000055 - Schedule - Expense Example, No Redemption</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.vanguard.com/role/ScheduleAnnualTotalReturnsTransposedBarChart000056" id="httpwwwvanguardcomroleScheduleAnnualTotalReturnsTransposedBarChart000056">
        <link:definition>000056 - Schedule - Annual Total Returns {Transposed} [BarChart]</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.vanguard.com/role/ScheduleAverageAnnualTotalReturnsTransposed000057" id="httpwwwvanguardcomroleScheduleAverageAnnualTotalReturnsTransposed000057">
        <link:definition>000057 - Schedule - Average Annual Total Returns {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.vanguard.com/role/DocumentRiskReturnDetailUnlabeledVanguardCommodityStrategyFund" id="httpwwwvanguardcomroleDocumentRiskReturnDetailUnlabeledVanguardCommodityStrategyFund">
        <link:definition>000058 - Document - Risk/Return Detail {Unlabeled} - Vanguard Commodity Strategy Fund</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.vanguard.com/role/DisclosureRiskReturnDetailDataElementsVanguardCommodityStrategyFund" id="httpwwwvanguardcomroleDisclosureRiskReturnDetailDataElementsVanguardCommodityStrategyFund">
        <link:definition>000059 - Disclosure - Risk/Return Detail Data {Elements} - Vanguard Commodity Strategy Fund</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
    </appinfo>
  </annotation>
  <import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd" />
  <import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" />
  <import namespace="http://xbrl.sec.gov/rr/2018-01-31" schemaLocation="https://xbrl.sec.gov/rr/2018/rr-2018-01-31.xsd" />
  <import namespace="http://xbrl.sec.gov/dei/2020-01-31" schemaLocation="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd" />
  <import namespace="http://www.xbrl.org/dtr/type/non-numeric" schemaLocation="http://www.xbrl.org/dtr/type/nonNumeric-2009-12-16.xsd" />
  <element name="S000011877Member" id="trusteeseq_S000011877Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000032457Member" id="trusteeseq_C000032457Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="ReturnAfterTaxesonDistributionsMember" id="trusteeseq_ReturnAfterTaxesonDistributionsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="ReturnAfterTaxesonDistributionsandSaleofFundSharesMember" id="trusteeseq_ReturnAfterTaxesonDistributionsandSaleofFundSharesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="MSCIUSBroadMarketIndexMember" id="trusteeseq_MSCIUSBroadMarketIndexMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="DowJonesUSTotalStockMarketFloatAdjustedIndexMember" id="trusteeseq_DowJonesUSTotalStockMarketFloatAdjustedIndexMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="S000004389Member" id="trusteeseq_S000004389Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000012145Member" id="trusteeseq_C000012145Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="MSCIACWIexUSAIndexMember" id="trusteeseq_MSCIACWIexUSAIndexMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="S000032976Member" id="trusteeseq_S000032976Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000101729Member" id="trusteeseq_C000101729Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="FTSEEmergingIndexMember" id="trusteeseq_FTSEEmergingIndexMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="RetailMember" id="trusteeseq_RetailMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="S000049301Member" id="trusteeseq_S000049301Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000155622Member" id="trusteeseq_C000155622Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="FTSE3MonthUSTreasuryBillIndexMember" id="trusteeseq_FTSE3MonthUSTreasuryBillIndexMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="SplicedAlternativeStrategiesIndexMember" id="trusteeseq_SplicedAlternativeStrategiesIndexMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="S000065757Member" id="trusteeseq_S000065757Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000212612Member" id="trusteeseq_C000212612Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="BloombergCommodityIndexTRMember" id="trusteeseq_BloombergCommodityIndexTRMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
</schema>


