Duolingo English Test (DET)
Overview
The DET is a modern, computer-adaptive English proficiency test that can be taken online from anywhere, gaining increasing acceptance by universities worldwide.
Test Structure
Component |
Assessment |
Time |
Score Range |
Adaptive Test |
Reading, writing, speaking, and listening in integrated format |
45 minutes |
10–160 |
Video Interview |
Unscripted speaking samples |
10 minutes |
Qualitative assessment |
Writing Sample |
Authentic writing sample |
10 minutes |
Qualitative assessment |
Total Time |
65 minutes |
Preparation Tips
- Practice with the free resources on Duolingo's website
- Become familiar with the test format and technology requirements
- Prepare your test environment (quiet, well-lit, distraction-free)
- Practice all four language skills (reading, writing, speaking, listening)
- Take the free practice test to get comfortable with the format
- Check that your computer meets technical requirements
- Test your microphone and webcam before the exam
Registration and Fees
- Fee: $49
- Registration: Online through Duolingo website
- Score Validity: 2 years
- Score Reporting: Unlimited free score sharing