A Duolingo English Test score of 135 is a CEFR C1 (advanced) level. On Duolingo’s official comparison table it is roughly IELTS 7 and TOEFL iBT 104 – 108. Among the 1001 institutions that publish a DET minimum on their website, 996 (100%) ask for 135 or lower, and 5 list exactly 135.
Score 135 compared with nearby scores
| DET | CEFR | IELTS | TOEFL iBT | Institutions listing this minimum |
|---|---|---|---|---|
| 145 | C1 | 7.5 | 113 – 116 | 0 |
| 140 | C1 | 7.5 | 109 – 112 | 2 |
| 135 | C1 | 7 | 104 – 108 | 5 |
| 130 | C1 | 7 | 98 – 103 | 43 |
| 125 | B2 | 6.5 | 93 – 97 | 21 |
Institutions that list 135 as their minimum DET score
Minimum taken from each institution’s own website; programs may differ and requirements change — confirm before you book.
- France: ESSEC Business School
- United States: Dartmouth College · Massachusetts Institute of Technology · Mercersburg Academy · The University of Chicago
Is 135 a good Duolingo score?
Yes. 135 is above what most programs ask for: 100% of institutions with a published minimum accept 135 or lower, including many selective graduate programs. Some top universities ask for 130–140 plus minimum subscores, so check your specific program.
How to go from 135 to 140 or higher
- Precision now matters more than range: in Writing Sample and Speaking Sample, use varied sentence structures and specific vocabulary, and leave 30 seconds to check articles and agreement.
- Read and Complete and Interactive Reading reward speed: practise with academic texts (science, economics, history) and time yourself.
- Listen and Type at this level uses long, fast sentences: train with podcasts at natural speed and type what you hear.
Start with the free level test to estimate your current score, train your typing with the typing trainer, and prepare properly with the Duolingo English Test course.
Message us on WhatsApp Live DET classes with certified instructors and personal Speaking and Writing correction.
Last updated: November 2026