If you give an average classroom of 12 year olds free access to AI, do you think the AVERAGE effect will be that the kids will use the AI to dive really deep in

If you give an average classroom of 12 year olds free access to AI, do you think the AVERAGE effect will be that the kids will use the AI to dive really deep into topics and learn programming, or that they will copy and paste the solutions to their homework, and use the freed up time to do other things than study?