Sentinel High School

Updated on Apr 25, 2026

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Principal Tom Blakely Enrollment 1,200 (approximate) Language English Number of students 1,200 (approximate)		Grades 9–12 Student to teacher ratio 16.6 Phone +1 406-728-2403

School type Public, secondary school Address 901 South Ave W, Missoula, MT 59801, USA Motto Spectemur Agendo Latin motto meaning "Let us be judged by our acts" District Missoula High School District, Missoula County Public Schools Profiles Twitter

Sentinel High School is located in Missoula, Montana. It is in the Missoula County Public Schools District No. 1. Sentinel has approximately 1,200 students, and a faculty of approximately 100. Sentinel was ranked 6th best high school in the state of Montana, two spots behind the district's Hellgate. Big Sky and Seeley-Swan were unranked.