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        <submissionType>144</submissionType>
        <filerInfo>
            <filer>
                <filerCredentials>
                    <cik>0001869669</cik>
                    <ccc>XXXXXXXX</ccc>
                </filerCredentials>
            </filer>
            <liveTestFlag>LIVE</liveTestFlag>



        </filerInfo>
    </headerData>
    <formData>
        <issuerInfo>
            <issuerCik>0001562088</issuerCik>
            <issuerName>DUOLINGO, INC.</issuerName>
            <secFileNumber>001-40653</secFileNumber>
            <issuerAddress>
                <ns2:street1>5900 Penn Avenue </ns2:street1>
                <ns2:city>Pittsburgh</ns2:city>
                <ns2:stateOrCountry>PA</ns2:stateOrCountry>
                <ns2:zipCode>15206</ns2:zipCode>
            </issuerAddress>
            <issuerContactPhone>4125676602</issuerContactPhone>
            <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>MATTHEW SKARUPPA</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
            <relationshipsToIssuer>
                <relationshipToIssuer>Officer</relationshipToIssuer>
            </relationshipsToIssuer>
        </issuerInfo>
        <securitiesInformation>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <brokerOrMarketmakerDetails>
                <name>Morgan Stanley Smith Barney LLC Executive Financial Services</name>
                <address>
                    <ns2:street1>1 New York Plaza</ns2:street1>
                    <ns2:street2>8th Floor</ns2:street2>
                    <ns2:city>New York</ns2:city>
                    <ns2:stateOrCountry>NY</ns2:stateOrCountry>
                    <ns2:zipCode>10004</ns2:zipCode>
                </address>
            </brokerOrMarketmakerDetails>
            <noOfUnitsSold>31763</noOfUnitsSold>
            <aggregateMarketValue>11062100.01</aggregateMarketValue>
            <noOfUnitsOutstanding>37897481</noOfUnitsOutstanding>
            <approxSaleDate>12/02/2024</approxSaleDate>
            <securitiesExchangeName>NASDAQ</securitiesExchangeName>
        </securitiesInformation>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>12/02/2024</acquiredDate>
            <natureOfAcquisitionTransaction>Exercise of Stock Options</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>13049</amountOfSecuritiesAcquired>
            <paymentDate>12/02/2024</paymentDate>
            <natureOfPayment>Cash</natureOfPayment>
        </securitiesToBeSold>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>12/15/2023</acquiredDate>
            <natureOfAcquisitionTransaction>Previously Exercised Options</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>14250</amountOfSecuritiesAcquired>
            <paymentDate>12/15/2023</paymentDate>
            <natureOfPayment>Cash</natureOfPayment>
        </securitiesToBeSold>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>01/11/2024</acquiredDate>
            <natureOfAcquisitionTransaction>Previously Exercised Options</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>4464</amountOfSecuritiesAcquired>
            <paymentDate>01/11/2024</paymentDate>
            <natureOfPayment>Cash</natureOfPayment>
        </securitiesToBeSold>
        <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>10b5-1 Sales for MATTHEW SKARUPPA</name>
                <address>
                    <ns2:street1>5900 Penn Avenue </ns2:street1>
                    <ns2:city>Pittsburgh</ns2:city>
                    <ns2:stateOrCountry>PA</ns2:stateOrCountry>
                    <ns2:zipCode>15206</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>11/18/2024</saleDate>
            <amountOfSecuritiesSold>3591</amountOfSecuritiesSold>
            <grossProceeds>1109204.96</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>MATTHEW SKARUPPA </name>
                <address>
                    <ns2:street1>5900 Penn Avenue </ns2:street1>
                    <ns2:city>Pittsburgh</ns2:city>
                    <ns2:stateOrCountry>PA</ns2:stateOrCountry>
                    <ns2:zipCode>15206</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>11/15/2024</saleDate>
            <amountOfSecuritiesSold>3285</amountOfSecuritiesSold>
            <grossProceeds>1016050.50</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>10b5-1 Sales for MATTHEW SKARUPPA</name>
                <address>
                    <ns2:street1>5900 Penn Avenue </ns2:street1>
                    <ns2:city>Pittsburgh</ns2:city>
                    <ns2:stateOrCountry>PA</ns2:stateOrCountry>
                    <ns2:zipCode>15206</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>11/01/2024</saleDate>
            <amountOfSecuritiesSold>14000</amountOfSecuritiesSold>
            <grossProceeds>4105425.80</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>10b5-1 Sales for MATTHEW SKARUPPA</name>
                <address>
                    <ns2:street1>5900 Penn Avenue </ns2:street1>
                    <ns2:city>Pittsburgh</ns2:city>
                    <ns2:stateOrCountry>PA</ns2:stateOrCountry>
                    <ns2:zipCode>15206</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>10/01/2024</saleDate>
            <amountOfSecuritiesSold>14000</amountOfSecuritiesSold>
            <grossProceeds>3932318.60</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>10b5-1 Sales for MATTHEW SKARUPPA</name>
                <address>
                    <ns2:street1>5900 Penn Avenue </ns2:street1>
                    <ns2:city>Pittsburgh</ns2:city>
                    <ns2:stateOrCountry>PA</ns2:stateOrCountry>
                    <ns2:zipCode>15206</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>09/03/2024</saleDate>
            <amountOfSecuritiesSold>14000</amountOfSecuritiesSold>
            <grossProceeds>2904144.60</grossProceeds>
        </securitiesSoldInPast3Months>
        <remarks>The securities to be sold were and will be received upon the exercise of stock options over the next three months. The dates of acquisition and payment were and will be the dates of exercise/sale.&#13;
</remarks>
        <noticeSignature>
            <noticeDate>12/02/2024</noticeDate>
            <planAdoptionDates>
                <planAdoptionDate>05/22/2024</planAdoptionDate>
            </planAdoptionDates>
            <signature>/s/ Matthew Skaruppa</signature>
        </noticeSignature>
    </formData>
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144
0001869669
XXXXXXXX
LIVE
0001562088
DUOLINGO, INC.
001-40653
5900 Penn Avenue
Pittsburgh
PA
15206
4125676602
MATTHEW SKARUPPA
Officer
Common
Morgan Stanley Smith Barney LLC Executive Financial Services
1 New York Plaza
8th Floor
New York
NY
10004
31763
11062100.01
37897481
12/02/2024
NASDAQ
Common
12/02/2024
Exercise of Stock Options
Issuer
N
13049
12/02/2024
Cash
Common
12/15/2023
Previously Exercised Options
Issuer
N
14250
12/15/2023
Cash
Common
01/11/2024
Previously Exercised Options
Issuer
N
4464
01/11/2024
Cash
N
10b5-1 Sales for MATTHEW SKARUPPA
5900 Penn Avenue
Pittsburgh
PA
15206
Common
11/18/2024
3591
1109204.96
MATTHEW SKARUPPA
5900 Penn Avenue
Pittsburgh
PA
15206
Common
11/15/2024
3285
1016050.50
10b5-1 Sales for MATTHEW SKARUPPA
5900 Penn Avenue
Pittsburgh
PA
15206
Common
11/01/2024
14000
4105425.80
10b5-1 Sales for MATTHEW SKARUPPA
5900 Penn Avenue
Pittsburgh
PA
15206
Common
10/01/2024
14000
3932318.60
10b5-1 Sales for MATTHEW SKARUPPA
5900 Penn Avenue
Pittsburgh
PA
15206
Common
09/03/2024
14000
2904144.60
The securities to be sold were and will be received upon the exercise of stock options over the next three months. The dates of acquisition and payment were and will be the dates of exercise/sale.
12/02/2024
05/22/2024
/s/ Matthew Skaruppa