After Ian Ettinger suffered a concussion playing basketball for Wellesley High School his freshman year, he found himself suffering constant headaches and unable to read. He missed two months of school, sitting in darkened rooms listening to Harry Potter books on tape and learning to juggle. He had to drop two classes. He missed his friends and his life.

Ettinger’s body healed, but he hasn’t forgotten. Now a 17-year-old senior, he spent the summer making a short movie that tells how he and several of his friends have struggled with concussions.