Whitewater Middle School Associate Principal Hired. The Whitewater Unified School District is pleased to welcome Mr. Ben Holzem as the Whitewater Middle School Associate Principal. Ben has seven years of administrative experience and seven years as a special education teacher. Most recently, he was the principal of St. Bruno Parish School. Ben’s other impressive qualities include being bilingual, having served in the Air Force and his ability to build relationships with the students and families he works with at school. Ben is excited to be a contributing member of the Whitewater Middle School.