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US School RatingsPublic school data for parents and homebuyers

Thornton High School

Grades 09–12 · THORNTON, CO · NCES 080690001192

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9351 WASHINGTON STREET · THORNTON, CO 80229

At a glance

Reported students

1,439

NCES CCD 2024–25

Teachers (FTE)

88.03

NCES CCD 2024–25

Student–teacher ratio

16.3:1

Calculated; not a class-size measure

Grades served

09–12

NCES preliminary directory 2025–26

School benchmarks

Colorado high enrollment

86th percentile

Compared with 437 same-level schools reporting enrollment.

District median enrollment

455

Thornton High School: 1,439 reported students.

State peer staffing position

53rd percentile

16.3:1 reported; state peer median 15.9:1. Ratio is not class size.

Historical enrollment and staffing · CRDC 2021–22

These older figures are kept separate from 2024–25 statistics and benchmarks. Differences between years can reflect changes in enrollment, staffing, or reporting scope.

Students
1,485
Teachers (FTE)
75.67
Student–teacher ratio
19.6:1

What the reported data says about Thornton High School

Thornton High School is a public high school serving grades 09–12 in THORNTON. It is one of 53 current school records connected to Adams 12 Five Star Schools. NCES reports 1,439 students for 2024–25.

Among 437 high schools in Colorado with comparable records, this school is larger than the reported median of 336 students. Its enrollment is at approximately the 86th percentile for that peer group. Size describes the campus, not instructional quality.

The reported student–teacher ratio is 16.3:1, close to the Colorado median of 15.9:1 for the same school level. This ratio uses total enrollment and teacher FTE; it is not an average classroom headcount and can be affected by special programs or part-time staffing.

The largest reported race and ethnicity groups are Hispanic or Latino (71.3%) and White (15.1%). English learners represent 25.6% of enrollment. Students served under IDEA represent 13.5%. These figures help families understand who the school serves; they are not rating inputs.

The 2021–22 civil-rights collection reports AP student enrollment, gifted and talented programming, computer science. The school reported 5 AP courses. Program availability changes, so families should confirm the current catalog and participation rules directly with the school.

Questions worth asking Thornton High School

  1. 1How do the reported 16.3:1 student–teacher ratio and 88.03 teacher FTE translate into actual class sizes by grade?
  2. 2Have the reported academic programs changed since the 2021–22 CRDC collection?
  3. 3What counseling support is available today? The school reported 7 counselor FTE in 2021–22.
  4. 4Does community eligibility provide breakfast and lunch to every enrolled student, and are summer meals available?
Bring the full school visit checklist →

Enrollment needs

English learners
25.6%
Students with disabilities
13.5%
Free/reduced-price lunch
78.7%
Lunch program
Yes under Community Eligibility Option (CEO)

Reported support staff

Counselors (FTE)
7
Nurses (FTE)
0
Psychologists (FTE)
0.5
Social workers (FTE)
1.5

CRDC 2021–22 full-time-equivalent counts; verify current assignments with the school.

Student demographics

Race and ethnicity share of reported enrollment

  • White15.1%
  • Hispanic71.3%
  • Black1.5%
  • Asian9.7%
  • American Indian / Alaska Native0.4%
  • Native Hawaiian / Pacific Islander0.1%
  • Multiracial1.6%

Race/ethnicity: NCES CCD 2024–25. English learner and disability context: CRDC 2021–22. Lunch eligibility: NCES CCD 2024–25. Privacy rules can produce missing values.

Programs reported by the school

AP student enrollment

Students enrolled

5 distinct courses reported

Gifted and talented

Offered

Computer science

Offered

CRDC 2021–22: the AP flag records student enrollment; gifted and computer-science fields describe reported programs/classes. Confirm current courses and eligibility with the school.

Other schools in Adams 12 Five Star Schools

Start with campuses at the same school level or with similar reported enrollment.

Mountain Range High School

High · Grades 09–12

1,788 reported students

Northglenn High School

High · Grades 09–12

1,844 reported students

Horizon High School

High · Grades 09–12

1,966 reported students

Legacy High School

High · Grades 09–12

2,052 reported students

Five Star Online Academy

High · Grades 05–12

506 reported students

Pathways Future Center

High · Grades 06–12

386 reported students

View all 53 district schools →