Official Discount for Duolingo English Test Takers
In today’s competitive global admissions environment, the Duolingo English Test (DET) is increasingly used as an affordable, accessible, and academically valid alternative to traditional English proficiency exams. DET Study is an officially recognized partner of Duolingo, providing verified support through both exam discounts and preparation tools. This article outlines how to access the official 10% discount, examines which institutions accept DET, and reviews academic literature that confirms the value of well-structured DET preparation.
✅ What Is This Discount?
As an official partner, DET Study is authorized to offer a 10% discount on the Duolingo English Test fee. This benefit is available globally, without restrictions on nationality, academic background, or institution. The goal is not simply to reduce cost but to encourage broader access to higher education pathways that now recognize DET as a valid credential.
The Duolingo English Test typically costs $70 USD, which already positions it as more affordable than other major tests like TOEFL or IELTS. With our discount, the cost becomes $63 USD, offering meaningful savings, especially for students in developing regions or those applying to multiple programs.
Details:
- Price with discount: $63 USD
- Accepted globally
- Works whether this is your first test or a retest
The coupon is entered during checkout on the official Duolingo English Test website, and the discount is applied instantly.
🎓 Which Universities Accept the Duolingo English Test?
As of 2025, the Duolingo English Test is accepted by over 5,500 universities and colleges worldwide, including many top-ranked institutions. Its growing recognition stems from its remote accessibility, low cost, and strong correlation with traditional language proficiency exams like TOEFL and IELTS. Universities vary in their minimum required scores, often depending on the level of study (undergraduate vs. graduate) and the program’s competitiveness.
Below is a sample list of both U.S. and international universities that accept DET, along with their publicly listed score requirements or admissions policies.
🏛 U.S. Institutions Accepting DET
| Institution | DET Requirement |
|---|---|
| Harvard Graduate School of Education | 125+ |
| Massachusetts Institute of Technology (MIT) | Accepted for graduate admissions |
| Columbia University | 120+ |
| Arizona State University | Minimum 105 |
| University of Oregon | Minimum 110 |
🌐 International Institutions Accepting DET
| Institution | DET Requirement |
|---|---|
| McGill University (Canada) | Accepted for undergrad and postgrad programs |
| University of Sydney (Australia) | Accepted with faculty‑specific minimum requirements |
| University of Glasgow (UK) | Accepted for a wide range of master’s programs |
🔬 What the Research Says About Duolingo Prep
Numerous studies have evaluated both the validity of the Duolingo English Test and the effectiveness of different preparation strategies. Overall, the evidence suggests that DET is a reliable, valid measure of English proficiency and that structured preparation—particularly using interactive, feedback-driven tools—can measurably improve outcomes.
One study conducted at a major UK university found a strong correlation between DET scores and TOEFL scores (r = 0.82), supporting DET’s concurrent validity. Moreover, DET scores were significantly predictive of first-year postgraduate GPA, particularly for students from non-Chinese international backgrounds (r = 0.206). This confirms the test’s ability to forecast academic performance, especially in linguistically diverse populations.
From a learning science perspective, Duolingo’s app-based platform has been shown to improve vocabulary mastery and reading speed among ESL students. A 2020 quasi-experimental study in Indonesia found that junior high students using Duolingo scored significantly higher on post-tests than those using traditional flashcards, with a mean score difference of 3.91 points (p = 0.017).
Key Takeaways from Research:
- DET scores correlate strongly with TOEFL and IELTS scores
- DET predicts academic performance in certain populations
- Structured, tech-enabled prep (e.g., via AI or interactive platforms) leads to score improvement
- Self-confidence and perceived fairness increase with familiarity and practice, boosting test-day performance
What To Know About The Duolingo English Test (DET) Scoring System
📚 DET Study Tools: Why They Work
DET Study offers a suite of tools designed to match the structure, timing, and scoring logic of the actual test. Our platform includes:
- AI-scored writing and speaking feedback, aligned with DET rubrics
- Timed practice questions across reading, listening, and interactive speaking
- Score prediction models based on linguistic complexity, fluency, and accuracy
- Instant grammar and vocabulary guidance tied to user responses
These tools not only prepare students for what the test looks like—they also condition them to think like the test does, increasing confidence and cognitive readiness under pressure.
💬 How to Apply the Code
The discount code is simple to use and requires no signup on our platform:
- Go to englishtest.duolingo.com
- Click “Buy Now” or log in to your Duolingo account
- Choose your test date and fill in the payment form
- At checkout, enter the code from DET Study
- Your price will instantly update from $70 to $o USD (since you paid already)
Final Thoughts
The Duolingo English Test has established itself as a modern, reliable, and inclusive measure of English proficiency for academic and professional use. As universities around the world integrate DET into their admissions processes, test takers must prepare with intention and accuracy.
By using DET Study’s verified 10% discount, you not only save money—you also gain access to a growing suite of evidence-based tools that support high-level performance.
Frequently Asked Questions (FAQ)
How much is the Duolingo English Test with the DET Study 10% discount?
The article states the Duolingo English Test typically costs $70 USD, and with the official 10% discount from DET Study, the price becomes $63 USD.
Who can use the DET Study discount code, and does it work for retests?
According to the post, the discount is available globally with no restrictions on nationality, academic background, or institution, and it works whether it is your first test or a retest.
How do I apply the discount code on the Duolingo English Test website?
The article explains that you apply the coupon during checkout on englishtest.duolingo.com by entering the code from DET Study, and the discount is applied instantly.
How widely is the Duolingo English Test accepted and what kinds of score requirements should I expect?
The post says that as of 2025, DET is accepted by over 5,500 universities and colleges worldwide, and that minimum scores can vary by institution, level (undergraduate vs. graduate), and program competitiveness, with examples such as 125+ for Harvard Graduate School of Education and 120+ for Columbia University.