Sentinel High School

Sentinel High School

Missoula, Montana

1,378 students

High School, Grades 9–12

#6

Best ACT in Montana High Schools

1,378

Students

16.4:1

S:T Ratio

School Snapshot
Key metrics at a glance
Avg SAT Score

1,270

A-

out of 1600
Good
Avg ACT Score

26

A-

out of 36
Good
AP Courses

17

A

courses offered
Excellent
AP Enrollment

17%

C

of students
Average
Student-Teacher Ratio

16:1

B

students per teacher
Average
Academic Grades

Select a grade level to explore courses and resources

Standardized Test Dates

Upcoming national, state, and school calendar dates that affect students at Sentinel High School.

National Tests

June 8, 2026

ACT Photo Upload/Standby Deadline

Photo upload deadline

June 13, 2026

ACT — National

Test date

June 20, 2026 – July 4, 2026

SAT Score Release Date

Score release

June 23, 2026

ACT

Score release

June 24, 2026

ACT

Late registration deadline

July 1, 2026 – July 31, 2026

AP Score Release — All

Score release
+33 more national tests this school year

School Milestones

May 29, 2026 – June 11, 2026

School End/Summer Start

Other
MT
Varsity Tutors

Unlock Academic Success

Personalized learning support for Sentinel High School learners
SAT Prep

Practice tests, flashcards, and AI-powered study tools

ACT Prep

Master all four sections with targeted practice

Study Coach

Get instant help with homework and practice problems 24/7

1:1 Tutoring

Match with expert tutors in Missoula

Live Classes

Join interactive group sessions with expert instructors

Practice Hub

Thousands of flashcards and learning resources

School Details
Address

901 South Avenue West, Missoula, MT 59801

Phone

(406)728-2403

Website

Visit Website

District

Missoula H S

Need Academic Help?

Get matched with expert tutors for any subject

Find a Tutor