The principal of a Wilmington elementary school received an allegation about four years ago that a teacher behaved inappropriately with a student but took no action, Los Angeles Unified School District Supt. John Deasy said Thursday.

The same teacher was arrested Wednesday on suspicion of committing lewd acts and sexually abusing 20 children and an adult, law enforcement authorities said.

Deasy said he removed the principal from her job after learning last March that she hadn't acted on the earlier allegation. “When I reviewed the personnel file of the teacher,” said Deasy. “It came to my attention that several years earlier, in about 2008, there was an allegation that was not properly reported. That was enough for me” to remove the principal.

Read more at the LA Times