Hours after the shooting, officials said the suspect, who has yet to be apprehended, had evaded security protocols at Wilmer-Hutchins High School.

A student shot a classmate inside a classroom at Wilmer-Hutchins High School, district Superintendent Stephanie Elizalde confirmed. A teacher then intervened.

Three students were wounded by gunfire and a fourth also was injured when gunfire erupted at Wilmer-Hutchins High School on Tuesday afternoon, officials said.