Prospect High School, or Prospect, is a public four-year high school located in Mt. Prospect, Illinois, a northwest suburb of Chicago, Illinois, in the United States. It is part of Township High School District 214, which also includes Buffalo Grove High School, Elk Grove High School, John Hersey High School, Rolling Meadows High School, and Wheeling High School. It serves central Mount Prospect and a large portion of east Arlington Heights close to the Mt. Prospect village limits.