Other mistake: The movie starts in September 1961 and we are told that the talent show is in June. During the talent show there's a big banner saying 1961 when it should read 1962.
Other mistake: When the Aggies are in the locker room after the football game, they are all getting undressed and showering. This is happening right after the game yet none of them have a spot of dirt on their nice white uniform pants. (00:59:50)
Other mistake: The scene where Robin Ignico mentions Annie's new dog Sandy "but there's no bite in him," Lucy Stewart can be seen re-mouthing Robin's line.