Designing computers for children ought to be glamorous, celebrated, You will shape a generation. It's not fun, or easy at all.
Frankly, even more than the software the poor quality of the touch pad, and the jitteriness and hypersensitivity of the touch screens on most models made for school markets are making a whole generation hate laptops.
And when young people hate laptops they become phone only computer users. It's a dead end.