[ He looks surprised for a moment when Komaeda brings up their fates being tied, but he quickly shakes his head and pushes past that. ]

Uh... No, there's documents. I'm sure there is— it's a school, and we were all tested to get in.

[ What, did they really think if they sat with him in class long enough, his homeroom teacher will go "okay, they're here now" and let them be third years? ...maybe the first part, but not the latter. ]

That said, the documents might not even be kept at school, and before you get any ideas about setting the principal's office on fire or whatever, know that the investigation and repair costs will take priority over extraneous projects like fixing up the dorms or school trips.