Hillcrest High School is a four-year public high school in Ammon, Idaho, east of Idaho Falls. Opened in 1992, it was the second high school in the Bonneville School District. The school mascot is the Knight and the colors are red, black, and white. Hillcrest competed in IHSAA Class 5A for athletics until 2018, and now completes in 4A. The principal is Scott Miller. Wikipedia