Education expert blames Finland’s neglect of gifted students for PISA rankings decline by YLE

“If everyone studies exactly the same content and does the same tasks, the weakest fall behind and the most gifted get bored,” she said, adding that this boredom and loss of motivation are linked to underperformance.

Makes sense, if, how mentioned in this article all the gifted children do is assist their teachers. They should get time to explore things on their own, not just help others get better.