Thornton High School

Thornton, Colorado

1,412 students

High School, Grades 9–12

1,412

Students

18.9:1

S:T Ratio

School Snapshot
Key metrics at a glance
Avg SAT Score

860

C+

out of 1600
Below Avg
Avg ACT Score

21

B

out of 36
Average
AP Courses

5

B

courses offered
Average
AP Enrollment

6%

C

of students
Below Avg
Student-Teacher Ratio

19:1

B-

students per teacher
Average
Graduation Rate

85%

A

Excellent
Academic Grades

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School Details
Address

9351 Washington Street, Thornton, CO 80229

Phone

(720)972-4800

District

Adams 12 Five Star Schools

Academic Calendar
2025-2026

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