Students and parents at a Dallas-area high school have been subjected to a second school shooting in just over a year, despite increased safety protocols.

Wilmer-Hutchins High School will be closed Wednesday and for the rest of the week after a shooting occurred on the campus Tuesday afternoon, injuring at

Jason Evans, a Dallas Fire-Rescue spokesman, told the Dallas Morning News that three of the students were between the ages of 15 and 18 and that all were injured by gunfire. A 17-year-old suspect was booked into Dallas County jail at 9:32 p.m. after turning himself in, the paper reported. His bail was set at $600,000.