A Duolingo English Test score of 155 is a CEFR C2 (proficient) level. On Duolingo’s official comparison table it is roughly IELTS 8 and TOEFL iBT 119. Among the 1001 institutions that publish a DET minimum on their website, 999 (100%) ask for 155 or lower, and 0 list exactly 155.

Score 155 compared with nearby scores

DETCEFRIELTSTOEFL iBTInstitutions listing this minimum
160C28.5 – 91202
155C281190
150C18117 – 1181
145C17.5113 – 1160

Is 155 a good Duolingo score?

Yes. 155 is above what most programs ask for: 100% of institutions with a published minimum accept 155 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 155 to 160 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.

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Last updated: November 2026