Top Female Students Boost Other Girls' Grades in China

When a girl tops the class, something remarkable happens to the other girls around her.

Researchers from Peking University and Zhejiang University discovered that having a top-ranked female student in the classroom significantly lifts the academic performance of other girls. The effect is strongest for girls from low-income rural families and those struggling academically.

The study, published in the Journal of Development Economics, analyzed nearly 4,000 junior high students across China. Researchers tracked exam scores over a full school year to see how classroom dynamics affected student performance.

Here's what surprised them most: girls already scored higher than boys on average, but reported much lower self-confidence. That confidence gap started to close when girls saw another female student at the top of the class.

The boost came from role modeling, not competition. Lower-ranked girls improved their scores, while high-performing girls who might compete for top spots showed no change. Seeing another girl succeed helped struggling students believe they could succeed too.

The Ripple Effect

The impact reached beyond the classroom walls. Parents of girls in classes with top female students raised their expectations and changed their behavior. They spent more time helping with homework and offered stronger emotional support for their daughters' futures.

This family involvement matters enormously in a country where gender gaps persist in university STEM programs. Boys still outnumber girls in science and engineering fields, partly because of too few visible female role models in those careers.

The researchers found no similar effects among boys of the same age. Male students didn't show the same performance boost from having top-ranked male classmates in early adolescence.

The study used data from 2013 and 2014 because China has since moved to ban publishing academic rankings to reduce student stress. But the researchers suggest this well-meaning policy may have trade-offs. Making female academic excellence visible could be especially important for disadvantaged girls who lack confidence.

The findings point to a simple truth: representation matters, and it matters early. When girls see another girl succeed, they start to believe their own potential.