Hey, hey, let’s be fair.
Her “explosion” might have interrupted the “gay pride” class going on next door, or the “love a burka” class on the other side...or even worse, interrupted the local teacher boinking a boy that was occurring in the cloakroom, or caused the school principal to lose the box top that was the key to his/her/its next “eddikation degree” advancement.
Publik Skools - Wasting your money in countless ways.
Its not like the public school was going to teach her about exothermic reactions.