A middle-school student from Lewiston drowned Tuesday while swimming in Range Pond during a school trip to the Poland state park, according to the sheriff’s office. Sometime before noon, the 13-year-old boy was playing with friends inside a buoyed swimming area of the pond when he went underwater, said Chief Deputy William Gagne, of the Androscoggin County Sheriff’s Office. School staff and a lifeguard searched for the boy, who has not been identified, but weren’t able to find him beneath the surface of the pond water, Gagne said.