These include 17 of the top 20 undergraduate programs in the United States according to US News and World Report-for example, Yale, Stanford, MIT, Duke and Columbia. As of May 2021, over 3,000 higher education programs around the world accept Duolingo English Test results as proof of English proficiency for international student admissions. By offering a more accessible, online option that is both rigorous and accurate, we provide greater opportunities for aspiring students and professionals dependent on successful completion of these high stakes assessments. We developed the Duolingo English Test because language assessment has lacked innovation, with the most popular English proficiency tests still administered in physical testing centers and usually costing hundreds of dollars per test. Every year, millions of people around the world seek to demonstrate English proficiency for a variety of reasons, including university admissions, work visas, and job applications. Our second product, the Duolingo English Test, is an online, on-demand assessment of English proficiency. Our business, results of operations, financial condition, and prospects may have changed since such date.

The information contained in this prospectus is accurate only as of the date of this prospectus, regardless of the time of delivery of this prospectus or of any sale of the Class A common stock. This prospectus is an offer to sell only the shares of Class A common stock offered by this prospectus, but only under circumstances and in jurisdictions where it is lawful to do so. Neither we, the selling stockholders, nor the underwriters take responsibility for, and can provide no assurance as to the reliability of, any other information that others may give you.

Neither we, the selling stockholders, nor any of the underwriters have authorized anyone to provide any information or make any representations other than those contained in this prospectus or in any free writing prospectus we have prepared. You should rely only on the information contained in this prospectus or contained in any free writing prospectus filed with the Securities and Exchange Commission (the SEC).

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