In 2027, Duolingo is shutting down Duolingo for Schools, its free classroom tool that helped teachers track student progress and assign lessons. Coursera did the same thing last year, ending free course audits. It seemed sudden, but the signs were there. Class Central tracked the Duolingo for Schools shutdown too. And this time, the signs were all across social media platforms. Why the Shutdown? Duolingo for Schools was launched in 2015. Within a week, more than 10,000 teachers and 25,000 stud

What if I told you that one man’s frustration with an elevator breakdown led to the creation of the fastest-growing and most-beloved programming languages today? Seventeen years ago, Graydon Hoare’s ordinary evening turned pivotal when an out-of-order elevator at his apartment building forced him to trek up 21 stories. A Mozilla software engineer, Hoare’s frustration wasn’t just with the climb, but with the fact that the tools of his trade couldn’t even make an elevator that works without cras

Duolingo’s market value ($13.49B) now eclipses both Coursera and Udemy combined, driven by explosive user growth and surging quarterly revenue.

Although Class Central lists online courses in 87 languages, courses made in English outnumber all of the others by more than six to one. English is therefore a useful language to know, even though some courses have subtitles in a range of languages. Earlier this year, we updated our list of courses to help improve your writing skills. These courses all assume some fluency in the language. But what if you do not know any English, or your English is very poor? If you do not have convenient acce