<?xml version="1.0" encoding="US-ASCII"?>  
<!-- Generated by CompSci Transform (tm) - http://www.compsciresources.com -->    
<!-- Created: Thu Feb 16 22:23:08 UTC 2023 -->  
<xs:schema elementFormDefault="qualified" targetNamespace="http://www.americanfunds.com/20230216" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:us-types="http://xbrl.us/us-types/2009-01-31" xmlns:ck0001655146="http://www.americanfunds.com/20230216" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:rr="http://xbrl.sec.gov/rr/2022" xmlns:dtr="http://www.xbrl.org/dtr/type/2020-01-21" xmlns:xbrli="http://www.xbrl.org/2003/instance"> 
  <xs:annotation>   
    <xs:appinfo>  
      <link:linkbaseRef xlink:type="simple" xlink:href="ck0001655146-20230216_lab.xml" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef"/>    
      <link:linkbaseRef xlink:type="simple" xlink:href="ck0001655146-20230216_pre.xml" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef"/> 
      <link:linkbaseRef xlink:type="simple" xlink:href="ck0001655146-20230216_def.xml" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef"/>    
      <link:linkbaseRef xlink:type="simple" xlink:href="ck0001655146-20230216_cal.xml" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef"/>     
      <link:roleType roleURI="http://www.americanfunds.com/20230216/role/DocumentAndEntityInformation" id="DocumentAndEntityInformation">   
        <link:definition>000001 - Document - Document and Entity Information</link:definition>     
        <link:usedOn>link:presentationLink</link:usedOn>  
        <link:usedOn>link:definitionLink</link:usedOn>     
        <link:usedOn>link:calculationLink</link:usedOn> 
      </link:roleType>   
      <link:roleType roleURI="http://www.americanfunds.com/20230216/role/DocumentRiskReturnSummaryUnlabeledAmericanFundsStrategicBondFund" id="DocumentRiskReturnSummaryUnlabeledAmericanFundsStrategicBondFund">     
        <link:definition>020000 - Document - Risk/Return Summary {Unlabeled} - American Funds Strategic Bond Fund</link:definition>  
        <link:usedOn>link:presentationLink</link:usedOn>  
        <link:usedOn>link:definitionLink</link:usedOn>     
        <link:usedOn>link:calculationLink</link:usedOn> 
      </link:roleType>   
      <link:roleType roleURI="http://www.americanfunds.com/20230216/role/ScheduleShareholderFees20001" id="ScheduleShareholderFees20001">   
        <link:definition>020001 - Schedule - Shareholder Fees</link:definition>     
        <link:usedOn>link:presentationLink</link:usedOn>  
        <link:usedOn>link:definitionLink</link:usedOn>     
        <link:usedOn>link:calculationLink</link:usedOn> 
      </link:roleType>   
      <link:roleType roleURI="http://www.americanfunds.com/20230216/role/ScheduleAnnualFundOperatingExpenses20002" id="ScheduleAnnualFundOperatingExpenses20002">  
        <link:definition>020002 - Schedule - Annual Fund Operating Expenses</link:definition>    
        <link:usedOn>link:presentationLink</link:usedOn>  
        <link:usedOn>link:definitionLink</link:usedOn>     
        <link:usedOn>link:calculationLink</link:usedOn> 
      </link:roleType>   
      <link:roleType roleURI="http://www.americanfunds.com/20230216/role/ScheduleExpenseExample20003" id="ScheduleExpenseExample20003"> 
        <link:definition>020003 - Schedule - Expense Example</link:definition>    
        <link:usedOn>link:presentationLink</link:usedOn>  
        <link:usedOn>link:definitionLink</link:usedOn>     
        <link:usedOn>link:calculationLink</link:usedOn> 
      </link:roleType>   
      <link:roleType roleURI="http://www.americanfunds.com/20230216/role/ScheduleExpenseExampleNoRedemption20004" id="ScheduleExpenseExampleNoRedemption20004">     
        <link:definition>020004 - Schedule - Expense Example No Redemption</link:definition>   
        <link:usedOn>link:presentationLink</link:usedOn>  
        <link:usedOn>link:definitionLink</link:usedOn>     
        <link:usedOn>link:calculationLink</link:usedOn> 
      </link:roleType>   
<!-- [WMV5][XcpuxYn59dz7vgYynUDuwG7r97K2jUTysl7vcz0lJt+RMWF/8mwKgXndJJ1SJyvmgKvxuLfGxyZBgkG6y4H6TJsFl5ptOU8qLPNYWIoj2bUBBDRwNCI/gKP8HYZ4mVdwDOylbY0koVlKzjm4QvgJ3TdI5M2cHBhhW77IvtrdiTyBsdibwfyT2BQ6YN7OxLIcKa+SAwM8o/wYRB0K7D9YluNWWYrZaYfV6n/QG16QZIBfNDb5TWg6NWydaSPm2tpeh6c/mftAepPiQgOms9FNXtk16HyIlVAn1O27IhpSZtA=] CSR--> 
      <link:roleType roleURI="http://www.americanfunds.com/20230216/role/ScheduleAnnualTotalReturnsBarChart20005" id="ScheduleAnnualTotalReturnsBarChart20005">     
        <link:definition>020005 - Schedule - Annual Total Returns [Bar Chart]</link:definition> 
        <link:usedOn>link:presentationLink</link:usedOn>  
        <link:usedOn>link:definitionLink</link:usedOn>     
        <link:usedOn>link:calculationLink</link:usedOn> 
      </link:roleType>   
      <link:roleType roleURI="http://www.americanfunds.com/20230216/role/ScheduleAverageAnnualReturnsTransposed20006" id="ScheduleAverageAnnualReturnsTransposed20006">   
        <link:definition>020006 - Schedule - Average Annual Returns {Transposed}</link:definition>    
        <link:usedOn>link:presentationLink</link:usedOn>  
        <link:usedOn>link:definitionLink</link:usedOn>     
        <link:usedOn>link:calculationLink</link:usedOn> 
      </link:roleType>   
      <link:roleType roleURI="http://www.americanfunds.com/20230216/role/DisclosureRiskReturnDetailDataElementsAmericanFundsStrategicBondFund" id="DisclosureRiskReturnDetailDataElementsAmericanFundsStrategicBondFund">   
        <link:definition>020007 - Disclosure - Risk/Return Detail Data {Elements} - American Funds Strategic Bond Fund</link:definition>  
        <link:usedOn>link:presentationLink</link:usedOn>  
        <link:usedOn>link:definitionLink</link:usedOn>     
        <link:usedOn>link:calculationLink</link:usedOn> 
      </link:roleType>   
    </xs:appinfo>   
  </xs:annotation>    
  <xs:import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd"/>  
  <xs:import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd"/>  
  <xs:import namespace="http://www.xbrl.org/2009/role/negated" schemaLocation="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd"/>    
  <xs:import namespace="http://xbrl.sec.gov/rr/2022" schemaLocation="https://xbrl.sec.gov/rr/2022/rr-2022.xsd"/>   
  <xs:import namespace="http://www.xbrl.org/dtr/type/2020-01-21" schemaLocation="https://www.xbrl.org/dtr/type/2020-01-21/types.xsd"/>     
  <xs:element name="RiskReturnSummaryAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001655146_RiskReturnSummaryAbstract"/>  
  <xs:element name="index_Bloomberg_US_Aggregate_Index_reflects_no_deductions_for_sales_charges_account_fees_expenses_or_US_federal_income_taxesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001655146_index_Bloomberg_US_Aggregate_Index_reflects_no_deductions_for_sales_charges_account_fees_expenses_or_US_federal_income_taxesMember"/>     
  <xs:element name="index_Lipper_Core_Plus_Bond_Funds_Average_reflects_no_deductions_for_sales_charges_account_fees_or_US_federal_income_taxesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001655146_index_Lipper_Core_Plus_Bond_Funds_Average_reflects_no_deductions_for_sales_charges_account_fees_or_US_federal_income_taxesMember"/> 
  <xs:element name="S000052313Member" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001655146_S000052313Member"/>  
  <xs:element name="C000224627Member" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001655146_C000224627Member"/>  
  <xs:element name="C000224628Member" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001655146_C000224628Member"/>  
  <xs:element name="C000164459Member" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001655146_C000164459Member"/>  
  <xs:element name="C000164460Member" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001655146_C000164460Member"/>  
  <xs:element name="C000164461Member" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001655146_C000164461Member"/>  
  <xs:element name="C000164462Member" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001655146_C000164462Member"/>  
  <xs:element name="C000164463Member" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001655146_C000164463Member"/>  
  <xs:element name="C000164464Member" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001655146_C000164464Member"/>  
  <xs:element name="C000164465Member" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001655146_C000164465Member"/>  
  <xs:element name="C000164466Member" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001655146_C000164466Member"/>  
  <xs:element name="C000164467Member" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001655146_C000164467Member"/>  
  <xs:element name="C000164468Member" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001655146_C000164468Member"/>  
  <xs:element name="C000164470Member" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001655146_C000164470Member"/>  
  <xs:element name="C000164471Member" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001655146_C000164471Member"/>  
  <xs:element name="C000164472Member" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001655146_C000164472Member"/>  
  <xs:element name="C000164473Member" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001655146_C000164473Member"/>  
  <xs:element name="C000164475Member" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001655146_C000164475Member"/>  
  <xs:element name="C000164476Member" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001655146_C000164476Member"/>  
  <xs:element name="C000179994Member" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001655146_C000179994Member"/>  
  <xs:element name="C000189484Member" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001655146_C000189484Member"/>  
  <xs:element name="C000189485Member" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001655146_C000189485Member"/>  
</xs:schema>
