Hellgate High School is a Missoula, Montana high school, the largest in the Missoula County Public Schools District. Hellgate has approximately 1200 students, and a faculty of approximately 100. It is an AA high school, the classification given to Montana's largest high schools. It was ranked Montana's fourth-best high school by US News, beating the district's Sentinel, which was sixth, and both Big Sky and Seeley-Swan which were unranked.