Longmont High School
#38
Best ACT in Colorado High Schools
1,262
Students
20:1
S:T Ratio
School Snapshot
Key metrics at a glanceAvg SAT Scoreout of 1600
1,200
A-
Good
Avg ACT Scoreout of 36
27
A
Excellent
AP Coursescourses offered
17
A
Excellent
AP Enrollmentof students
27%
C
Good
Student-Teacher Ratiostudents per teacher
20:1
B-
Average
Graduation Rate
93%
A+
Excellent
This Week at Longmont – April 5, 2026
174 students practicing on Varsity Tutors
Academic Resources
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School Details
Address
1040 Sunset Street, Longmont, CO 80501
Phone
(303)776-6014
Website
Visit Website
District
St. Vrain Valley School District No. Re1J
Academic Calendar
2025-2026
Important dates, holidays, and school events