What ever you do please be honest with the instructor. I had a parent who did not tell me about their son. As many people have stated they can repeat verbatim what is said but sometimes can not put the facts together. In this case I felt blind sided because the student was slowing down the class for the other students. When I approached the parent after class they said they wanted someplace their son didn't feel different. While I appreciated the sentiment I did not feel it was fair to the other students. Long story short after repeated attempts I had to recommend that the student stick to snorkeling, which was more of a blow to the parent than the child. As a soon to be parent every one assumes my child will scuba, my response is "only if they want to". Please remember there is a difference between loving the ocean and wanting to scuba. That goes for any child.