It may seem like every child star goes down the same ill-fated path of destruction that inevitably leads to rehab, prison or — in some truly tragic cases — even death. But the same can’t be said about these child stars!

These once super-successful kids, like Danica McKellar and Mayim Bialik, are now adults and they’ve been blessed with more than just a good head on their shoulders.

Check out nine child stars who you may not have realized are super smart!