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Duolingo English Test

Official blog of the Duolingo English Test

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Latest Posts

Why AI in education needs custodianship

Jill Burstein · 26 Feb 2026

Meet the 2025 Doctoral Dissertation Award Winners

Sophie Wodzak · 25 Feb 2026

DET–TOEFL concordance: What TOEFL’s new 1–6 scale means for score requirements

Ramsey L. Cardwell, Ph. D. · 23 Feb 2026

Contributors

Sophie Wodzak

Sophie Wodzak is Senior Communications Manager for the Duolingo English Test. She has a master's degree in professional writing from Carnegie Mellon University and has written for the New York Times.

Masha Kostromitina, Ph.D.

Masha is an Assessment Specialist at the Duolingo English Test. Her research has been published in top-tier peer-reviewed journals including Studies in Second Language Acquisition.

Tamsin Thomas

Repping the Duolingo English Test in the UK.

Ramsey L. Cardwell, Ph. D.

Dr. Ramsey Cardwell is an assessment scientist working on the Duolingo English Test. He is a former EFL teacher, and has a PhD in educational measurement with a focus on language testing.

Michael Lynas

UK Country Lead for the Duolingo English Test

Marlene Olsavsky

Country Lead, Duolingo English Test, Canada

Burr Settles

Director of Research. Machine learning, music, & mischief. Natural language processing & learning science. He/him/yinz/y'all.

Anna Esaki-Smith

A global education expert, Anna advise higher education institutions, private companies and education organizations on international strategies and thought leadership.

Caroline Fisher

Storyteller and test taker advocate on the Duolingo English Test team.