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Preply's one-on-one tutoring accelerates English fluency in record time

Struggling with English? Preply's human-led lessons delivered fluency gains in weeks—not months. See how 67 learners transformed their skills.

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A new study conducted in partnership with Leanlab Education has found that*language learningappPreply'sone-on-one personalized learning model offers "significant improvements" in speaking, listening and overall language learning proficiency.*

Preply's one-on-one tutoring accelerates English fluency in record time

Over 12 weeks, 67 Spanish-speaking adults participated in a Preply learning program designed to improve their English language skills.

The researchers found that one in every three learners improved their Common European Framework of Reference for Languages (CEFR) test scores by a full level and learners progressed up to three times faster than standard benchmarks.

Typically, progressing by one CEFR level would take 160-240 hours but many learners achieved this with 24-48 hours of tutoring over the 12 week study period.

After completing more than 24 Preply lessons, 94 percent of learners said they felt more fluent, and 97 percent said they felt confident speaking English.

Almost all (96 percent) of the learners said that learning English with a real person was key to their success.

"This study confirms what we've always believed. Real learning with real tutors accelerates real progress," comments Preply CEO and Co-founder Kirill Bigai. "We're proud to support learners in reaching their personal and professional goals with personalized language learning that's proven to unlock life-changing opportunities."

"The results of our study with Preply suggest that with the right support, learners can expedite their English language journey," adds Katie Boody Adorno, CEO of Leanlab. "The findings underscore the value of real conversations and personalized guidance toward measurable progress."

In August, Preply launched three new AI-powered tools despite plans to take an "Anti-Duolingo" approach. Preply said it plans to pair its new AI tools with human interaction, offering benefits for both tutors and students.

The ETIH Innovation Awards 2026

The our website Awards celebrate excellence in global education technology, with a particular focus on workforce development, AI integration, and innovative learning solutions across all stages of education.

Now open for entries, the ETIH Innovation Awards 2026 recognize the companies, platforms, and individuals driving transformation in the sector, from AI-driven assessment tools and personalized learning systems, to upskilling solutions and digital platforms that connect learners with real-world outcomes.

Submissions are open to organizations across the UK, the Americas, and internationally. Entries should highlight measurable impact, whether in K-12 classrooms, higher education institutions, or lifelong learning settings.

Winners will be announced on 14 January 2026 as part of an online showcase featuring expert commentary on emerging trends and standout innovation. All winners and finalists will also be featured in our first print magazine, to be distributed at BETT 2026.

To explore categories and submit your entry, visit the ETIH Innovation Awards hub.

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