Duolingo
Duolingo English Test
Duolingo English Test (DET)
Approximately 1 hour USD $59 (one-time; includes unlimited practice tests)
Valid for 2 years Intermediate to Advanced
About This Test
A modern, fully online English proficiency test you can take from home anytime. Accepted by more than 5,000 universities worldwide including Yale, UCLA, University of Toronto, and Imperial College London. Results are delivered in just 48 hours.
Budget-friendly admissions test for undergraduate and postgraduate programs
Test Modules
Literacy
Comprehension
Conversation
Production
Key Features
- Take the test from home — no test center required
- Computer-adaptive: questions adjust to your level in real time
- Unlimited free practice tests included with fee
- Video interview and writing sample shared with institutions
Preparation Tip
Use the free official practice tests extensively. The adaptive algorithm rewards strong performance early. Practice typing quickly and speaking clearly in the untimed video interview.
Quick Facts
Score Range 10 – 160 (5-point increments)
Duration Approximately 1 hour
Fee USD $59 (one-time; includes unlimited practice tests)
Validity 2 years
Results 48 hours
Test Type Fully online, adaptive computer-based
Retake Policy No official limit; must wait 21 days between attempts
Acceptance
Accepted by 5,000+ universities worldwide. Strong in the US and Canada. Not accepted for most government scholarships or student visas.