Advocate that school-age children be permitted to wear hats or other head coverings to school. Separate your feelings about baldness from your child's feelings. Many parents rush out to buy wigs and hats without discussing with their child how he wants to deal with his baldness. Allow your child to choose whether to wear head coverings or not. Let it be okay to be bald.
Hair loss is quite variable for children being treated for leukemia.
Some only lose part of their hair, some have hair that thins out, and some quickly lose every hair on their head. Preston never completely lost his hair, but it became extremely thin and wispy. When he was first diagnosed, a friend bought him a fly-fishing tying kit, and he became very good at tying flies. He even began selling them at a local fishing shop. When his hair began to fall out, we would gather it up and put it in a plastic bag.