Khan Academy Kids App Boosts Preschool Literacy in 10-Week Study

A new study shows the free Khan Academy Kids app improves pre-literacy skills in 10 weeks, but experts warn true reading fluency requires long-term support.

Thursday, April 16, 2026

Key Takeaways

  • Preschoolers from low-income families using Khan Academy Kids for 13 minutes daily raised their phonological awareness scores from the 23rd to the 47th percentile in 10 weeks.
  • Researchers equated these phonological gains to the progress a student makes during 25 one-on-one sessions with a professional tutor.
  • Short-term reading gains often come from better test-taking tactics. Long-term fluency requires sustained, spaced practice to build skills over time.
  • More than 32 million people in the U.S. lack a home computer. Educational interventions that rely only on smartphones fail to address these hardware gaps.

What Happened

A study in the Journal of Children and Media reports that Khan Academy Kids improved reading skills for preschool children over 10 weeks. Researchers at the University of Massachusetts Amherst conducted a trial with 49 children between four and five years old from low-income communities. Participants used the app for an average of 13 minutes daily. Over the 10-week period, these students moved from the 34th to the 47th percentile in literacy, while a comparison group using non-literacy apps showed little change.

The app also improved phonological awareness, with scores rising from the 23rd to the 47th percentile. Researchers noted these gains were similar to the impact of 25 individualized one-on-one sessions with a tutor. This study follows our report on Khan Academy's expansion of English Language Arts resources for older students.

The Bigger Picture

Reading proficiency is a multi-year process. Short-term test score increases often result from reviewing specific errors or learning test strategies rather than building comprehension, according to data on tutoring outcomes over time. True fluency requires practice, as early successes build over time through the Matthew Effect. Standardized assessments often fail to measure deep reading comprehension.

Relying on mobile devices creates structural challenges. About 32.9 million people in the U.S. lack a home computer. As children age, educational software requires more than a mobile screen, meaning the smartphone-only assumption remains a barrier to digital equity.

The use of early test scores to define "kindergarten readiness" is debated. While household income and parental education predict academic trajectories, researchers warn that early gaps often track along racial and economic lines. Oral language disparities worsened significantly during pandemic-era disruptions, particularly for English Learners. Because early benchmark assessments vary widely by demographic, readiness is not destiny.

What This Means for Families

Khan Academy Kids provides foundational skills when used consistently. However, digital apps do not replace human instruction. Educational tools perform better with guided deployment than with unrestricted access. While digital platforms introduce and drill content, human tutors and parents provide the support needed to build confidence and resilience during academic challenges.

What You Can Do

  • Limit learning app sessions to 10 to 15 minutes a day to match the methodology of this study.
  • Pair digital exercises with physical reading activities, as long-term literacy requires offline linguistic knowledge.
  • Treat app gains as a starting point by reading aloud and engaging your child in complex conversations.
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