In addition to subscription revenue, the company generates income through ads, in-app purchases, and the Duolingo English test, which has become increasingly popular. With continued user growth, ...

IELTS has partnered with a UN organisation to offer refugees free English language tests across the globe. Hundreds of ...

After hours: November 18 at 6:31 PM EST Loading Chart for DUOL ...

The best MBA programs with a sustainability focus are 1. Northwestern University (Kellogg), 2. University of Pennsylvania ...

Find new series to help with your English in the office, and learn what makes a good leader.