DET in 4 levels, practising the exact adaptive question types
The Duolingo English Test is accepted by many U.S. universities, taken from home, with results in a few days. Ellacy's DET class drills the exact question types of the test, with timed online mock tests.
Who this class is for
- Students applying to U.S. universities that accept the DET in place of IELTS or TOEFL.
- Anyone who needs an English certificate fast and wants to test from home at a lower cost.
- People with a solid English base who are not yet used to adaptive questions and the short, timed speaking and writing tasks.
- Ellacy students preparing applications who need their DET score before the deadline.
Class formats
1-on-1 · small group · group — online or at our Hanoi and Ho Chi Minh City offices.
| Format | Class size | Hours / stage | Fee / stage |
|---|---|---|---|
| 1-on-1 (online) | 1:1 | 12 hours | 6,300,000 VND |
| 1-on-1 (online) | 1:1 | 20 hours | 10,500,000 VND |
| 1-on-2 (online) | 1:2 | 20 hours | 6,300,000 VND per student |
| Group (online) | 1:4 | 30 hours | 6,300,000 VND per student |
Each stage is a standalone course covering one level. Fees effective from 1 August 2026.
4 levels on the DET 10-160 scale
The placement test sets your level. Every level ends with a mock test covering all sections.
Basic
Get familiar with the interface and every question type, shore up core vocabulary and grammar.
Break 100
Strategies for Read and Complete, Read and Select, Listen and Type; fully developed speaking and writing in a short time.
Break 120
Sharpen accuracy, expand ideas for Write About the Photo and Speak About the Photo, practise Interactive Reading.
Advanced
For schools requiring 130+: speaking and writing corrected against the scoring criteria, continuous timed mock tests.
The DET question bank is open to every account
Practise one question type at a time or take a timed full mock test, with results as soon as you submit.
- Every current Duolingo English Test question type.
- Review each question and learn vocabulary from every task.
- Timed mock tests, with results saved to your account.
Book a free DET placement test
Leave your details and Ellacy Academy will get in touch to schedule a placement test and advise on the right level.
Hotline (Vietnam) +84 911 425 511
Request a pathway consultation
Leave your details and Ellacy Academy will get in touch during business hours to schedule a free placement test and advise on the right pathway.