Yeah, I wanted to specifically make Gohan be a natural wereape for that reason, since I imagine there could be a pool of students that are dealing with being were-animals for the first time and probably don't know how to deal with it, or are were-animals but aren't comfortable using their powers, etc.

But yeah, okay, so they probably met during Gongenzaka's first year, I assume? I'm not sure what kind of classes to have Gohan teach exactly, but I'm sure he was probably in one of them.