About the Duolingo English Test
- When and where can I take the Duolingo English Test?
- How much does the Duolingo English Test cost?
- How long does the Duolingo English Test take?
- How often can I take the Duolingo English Test?
- How long are my Duolingo English Test results valid for?
- Do you have any research on how effective the Duolingo English Test is at measuring English proficiency?