This is an interesting study-- it talks about that a study done showed that children did better when they were allowed to bring home the iPads or other tablets they used at school.
I think this makes sense, really. It's a matter of consistency, because if one can only use a computer at school, why can't they use one at home? If books, exercises and such are normally done on a tablet, why switch formats just because they are home? Not having the tablet home can lead to confusion in organization, I would think.
Read the article--fascinating stuff!