It’s not that they have no challenges at all, but that many things that are just normal have for them been identified as issues related to their disability. This would include things like forgetting things, or being shy in groups, or having odd tastes, or whatever.

I bet a lot of these kids have achieved “personal bests” in many areas that are exactly the same as their peers, and would be even more ready to graduate with appropriate supports and, most importantly, persons providing support who take things at face value rather than label.