Beth, The inability to hold it very long is also something that a person with a small bladder has to deal with, and daytime accidents can happen. Assuming that he doesn’t completely soak himself when he has an accident, a product like Depends Male Guard is good for catching small leaks. They are very discreet, don’t show under clothing, and don’t interfere with using the bathroom normally. If he is still worried about accidents at school, it’s something he might consider.