They say an internal investigation is underway but would not give any details of what is being investigated, only that it is a personnel matter and has nothing to do with any students.
McBride was promoted from his role as McNiel Assistant Principal this summer, and has been at the school since 2006.
He also previously served as assistant principal at Kirby Junior High.
School officials say WFISD Special Projects Officer Dr. Tim Powers is acting as principal at McNiel and will be present at the school's open house Tuesday night.
Copyright 2016 Nexstar Broadcasting, Inc. All rights reserved. This material may not be published, broadcast, rewritten, or redistributed.