Complex sentence: Barnstable High School (as Generic High School), Hyannis West Elementary School (as Generic Elementary), and the Woods Holes ferry dock, where the characters board the ferry, and the motorcycle gang leader jumps his motorcycle into the water.
Split into simpler sentences: Barnstable High School (as Generic High School) and Hyannis West Elementary School (as Generic Elementary). The ferry dock in Woods Holes was where they board the ferry and the motorcycle gang leader jumps his motorcycle into the water.