Continuity mistake: In the talent show scenes, Mary and her red-headed friend are shown several times backstage. The friend's outfit switches back and forth between her "weight-lifter" costume, which she wore for her own number, and the back-up dancer costume she wears for Mary's number.
Other mistake: After Mary has a tin of paint tipped over her head she runs out of the school, gets on the back of Slater's motorcycle, and they ride to the pool. Mary is covered in wet paint yet none of that paint is transferred to Slater's jacket. The back of the jacket is shown clean.
Add timeBlair Howden