Continuity mistake: When Belinda says "nice sweater" to Jamie, Jamie has a backpack on. When Jamie walks away, her backpack disappears. (00:11:55)
Continuity mistake: When Landon and Jamie are looking at the stars together, and he tells her he had a star named for her. A couple of seconds later she takes the paper showing the coordinates of the star and starts to sit down. The camera angle changes and shows her still in motion to sit down, but now the paper is nowhere to be seen. (01:06:42)
Continuity mistake: When Jamie goes to the graveyard, Landon gets out of the car to catch up to her. When he catches her by surprise, her ponytail stays behind her back. When they show her again, Jamie's ponytail is draped over her shoulders. When they show her one final time, it's behind her back again. (00:28:08)
Continuity mistake: When Landon asks Jamie for help memorizing his lines for the school play, the books she is carrying keep changing positions from her left arm to her right. (00:24:50)
Continuity mistake: When Landon and Jamie walk past each other in the school hallway, Jamie walks past a girl in yellow standing next to some lockers. In the next shot, Jamie walks past the girl again. (00:34:45)
Answer: It was the drama teacher.