"It turns out that winners don’t do chatbots. The graphs show that students with little or no AI use trounce the students who do use the AI:

In these scenarios, students who do not use AI outperform those who do, on average, by around 20 points — equivalent to being around one year of schooling ahead of their peers." https://pivot-to-ai.com/2026/09/08/students-who-dont-use-ai-are-ahead-on-every-measure/