"It's a lot to take in. Take your time. We're not going to disappear from around you." She gestured to the office surrounding them. It didn't even flicker. It was as solid as this reality got anyway.

We've gotten quite a few new students recently. One even has no formal education at all as she's from a war-torn place. Which was dancing around saying his fellow student was from another reality/timeline. The best advice I can give you is don't compare yourself to many of the others if it's a big worry. Students learn quickly that their peers go at different paces and have different lessons to work on. There's standard curriculum, and then there's the curriculum we have because we're mutants. Anybody new here hasn't had those lessons and will be on the same level as you.