Free language-learning app Duolingo has had a wild ride. In just over two years on the market, the company’s main product has racked up 30 million users, taking on entrenched giants such as Rosetta ...

The closure of academic testing centers due to the coronavirus pandemic has been a boon for the Duolingo English Test, a computer-adaptive language proficiency test that can be taken at home in 25 to ...

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URBANA — For applicants abroad, the University of Illinois has added a new English testing option for spring and fall 2022: the English test from popular language-learning app Duolingo. This summer, ...