<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2022-09-29</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000107140</issuerCik>
        <issuerName>JOHN WILEY &amp; SONS, INC.</issuerName>
        <issuerTradingSymbol>WLY</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001201959</rptOwnerCik>
            <rptOwnerName>PESCE WILLIAM J</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>111 RIVER STREET</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>HOBOKEN</rptOwnerCity>
            <rptOwnerState>NJ</rptOwnerState>
            <rptOwnerZipCode>07030</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common</value>
            </securityTitle>
            <transactionDate>
                <value>2022-09-29</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>3140</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>38.22</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>82132</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Annual director stock award issued pursuant to the John Wiley and Sons, Inc. 2022 Omnibus Stock and Long-Term Incentive Plan.  Such shares will vest on the earlier of (i) the day before the next Annual Meeting, (ii) the director's death/disability, and (iii) a change in control event.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Marjorie Pierre-Merritt as Attorney-in-Fact</signatureName>
        <signatureDate>2022-10-03</signatureDate>
    </ownerSignature>
</ownershipDocument>
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X0306
4
2022-09-29
0
0000107140
JOHN WILEY & SONS, INC.
WLY
0001201959
PESCE WILLIAM J
111 RIVER STREET
HOBOKEN
NJ
07030
1
0
0
0
Class A Common
2022-09-29
4
A
0
3140
38.22
A
82132
D
Annual director stock award issued pursuant to the John Wiley and Sons, Inc. 2022 Omnibus Stock and Long-Term Incentive Plan.  Such shares will vest on the earlier of (i) the day before the next Annual Meeting, (ii) the director's death/disability, and (iii) a change in control event.
/s/ Marjorie Pierre-Merritt as Attorney-in-Fact
2022-10-03