Whiteoak High School is a public high school in Mowrystown, Ohio, USA, and the only high school in the Bright Local Schools district.

[2] The school mascot is the Wildcat.

The high school and junior high are in the same building.

Whiteoak competes in the Southern Hills Athletic Conference and is a member of the Ohio High School Athletic Association.

Whiteoak offers a variety of sports, such as cross country, golf, volleyball, basketball, bowling, cheerleading, baseball, softball, and track & field.