I mean, i don't think there will be any punishment from the school, it's a "he said, she said" type of deal, unless there is some evidence somewhere, like they recorded they both went in, but she got out alone and said nothing.
Man this is the Initial D of Romcoms
MC mental state doing some impressive drifting
Let me make a prediction : Next chapter we wil learn that this girl's parents was in fact the one who messed with the other girl's parents car, making the MC swing to the other side again.