A 16-year-old female student was killed, another student was wounded, and the shooter—a 17-year-old male student—killed himself, per police.

A 17-year-old boy armed with a pistol, identified by authorities as Solomon Henderson, fired several shots in the cafeteria. A female student, 16-year-old Josselin Corea Escalante, was killed and a boy was grazed on his arm. Henderson then shot himself in the head and was fatally wounded.

The walkout is expected to take place Monday morning at 7:30 a.m. Those in attendance are being asked to wear red in honor of the 16-year-old Josselin Corea Escalante, who was killed in the shooting.