O’Briens making a big splash in Concord-Carlisle pool

The Heritage Pool and Racquet Club sits in a small, rural neighborhood in Concord, but sometimes, such places can be a catalyst for extraordinary things. Sean O’Brien is a good case in point. The three-time Division 2 state diving champion, a senior at Concord-Carlisle Regional High School, will attend the University of Texas on an athletic scholarship in the fall. It all started at Heritage.