At the beginning of Adam Cramer's speech in front of the town hall, he unbuttons his jacket twice.
The swing sets in the final scene change in the number and height of the swings. On 29 July 2015 at the Traverse City Film Festival, Roger Corman explained that they'd been run out of two different towns by law enforcement trying to get that scene done, so it was filmed at three different schools.
When Adam turns off the light in Vi's room, the "night light" that is supposed to counterbalance it goes on a little too early.