Can Music Lessons Make Kids Smarter? What a New Meta-Analysis Reveals

Sep 5, 2025
3 min read

Updated: Jan 25

When we think of music lessons for young children, we often imagine tiny hands tapping piano keys or little voices singing in unison. But a growing body of research suggests that the benefits of music training extend far beyond learning scales or singing on pitch. A new systematic review and meta-analysis, published in 2025, has pulled together evidence from across the globe to answer a fascinating question: Does music training improve children’s thinking skills?

The answer is a resounding yes—with some important nuances.

What the Study Looked At

The researchers analyzed 10 high-quality studies focused on children aged 3 to 6 years old. Instead of looking at just one outcome, they zoomed in on three crucial mental abilities, often called executive functions:

Inhibitory control – the ability to resist impulses and stay focused (think: waiting your turn or not blurting out in class).
Working memory – holding and using information in mind (like remembering the rules of a game while playing).
Cognitive flexibility – the skill of switching between tasks or perspectives (for example, shifting from coloring to following a new instruction without a meltdown).

What They Found

The results were striking:

Inhibitory control improved the most. Children who took part in music training showed moderate gains, meaning they were better able to manage impulses and sustain attention.
Working memory also got a boost, helping children juggle and process information more effectively.
Cognitive flexibility improved too, though the gains were a bit smaller—unless the training sessions were longer (over 40 minutes), in which case the benefits became more pronounced.

In other words: kids weren’t just learning songs—they were training their brains.

The Recipe for Success: How Much Music Is Enough?

Not all music training was equally effective. The meta-analysis revealed a “sweet spot” for maximum benefits:

At least 12 weeks of training.
Three or more sessions per week for the biggest improvements in self-control and flexibility.
20–30 minute sessions were enough for self-control and memory, while 40+ minutes boosted flexibility even more.

So, short, frequent doses of music seem to work best—especially for younger children.

Why This Matters

This research isn’t just about music—it’s about how children’s brains grow. Executive functions are like the mental “air traffic control system” that helps kids manage emotions, solve problems, and succeed in school. Strengthening these skills early can set children up for lifelong learning and resilience.

For educators, this study offers strong evidence that music should be more than an extracurricular activity—it can be a core tool for cognitive development. For parents, it’s a reminder that those piano lessons or group music classes may nurture focus and memory, not just rhythm and melody. And for clinicians working with children facing challenges like ADHD or self-regulation difficulties, structured music training could become a valuable supplement to existing interventions.

A Note of Caution

While the results are exciting, we should be careful not to oversell them. Music isn’t a magic bullet, and it’s not the only activity that can boost executive function. Sports, play, and even mindfulness exercises also play important roles. More research is still needed to explore long-term effects and whether benefits extend into adolescence and beyond.

The Takeaway

Music training does more than teach children how to keep a beat—it helps them strengthen the mental skills that shape learning, behavior, and everyday life. With the right structure and enough practice, music can be a powerful ally in helping young minds thrive.

So the next time you see a preschooler tapping out a rhythm on a drum or humming along to a tune, remember: they might just be sharpening their brain while making music.