Three more teachers at Concord High School have been placed on administrative leave.

Police are still investigating Andrew Cowells’, a teacher accused of making inappropriate sexual comments.

The three teachers had to turn their phones over to police. The school said on Monday night the Concord Community Schools Police Department received search warrants as part of the investigation into Cowells’ conduct last week.

Cowells’ has been placed on leave, and the school has started the employment termination process.

Cowells’ can not be on the school property, or contact any students, parents or staff.

Police are still investigating and have not provided any additional information.