12-year-old Camden Davis, from Baton Rogue, Louisiana, had been attending the Hope Academy since last year. The academy specializes in teaching special needs students, and according to its website promotes “inclusion, encouragement, positive relationships and recognition of student accomplishment.”

12-year-old Camden Davis, from Baton Rogue, Louisiana, had been attending the Hope Academy since last year. The academy specializes in teaching special needs students, and according to its website promotes “inclusion,...