Originally Posted by GuestStar2004
they were still students though, they were not trainee X-men at that time, it wasn't untill X3 that they were
like there was no sign of kitty in X2 (unless you count as tiny cameo) so they just threw her randomly into the mix in X3 as a trainee
They weren't training but they were learning to use their powers. I doubt any of them thought they would have much of a non-mutanty future for themselves. I just feel like in their heads it was the logical next step for themselves.