Horizon High School
🇺🇸 Official data · 2025Brighton, Colorado 80601 · Adams 12 Five Star Schools
#107 of 307 high schools in Colorado
#6703 of 16,910 nationally
About Horizon High School
Horizon High School is a public high located in Brighton, in the Adams 12 Five Star Schools school district of Colorado, United States. It caters for Grades 9–12. In 2025 it enrolled 1,966 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 56.4 out of 100, placing it in the top 50% of high schools in United States and 107th of 307 ranked high schools in Colorado. Its strongest component is community advantage (fewer free/reduced-price lunch) (77th percentile), and its weakest is students per teacher (16th percentile).
Other published figures: enrollment 1,966.
There are 15 schools in Brighton; Horizon High School ranks 2nd of 14 scored schools there.
Success Index (US) breakdown
Each component is a percentile against high schools across United States.
- Math proficiency (30%)44%
- Reading proficiency (30%)61%
- Community advantage (fewer free/reduced-price lunch) (25%)33.1%
- Students per teacher (15%)20.3
The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for Horizon High School by the official sources.
- Enrollment
- 1,966
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 33.1%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 20.3
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 61%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 44%
- Share of tested students proficient or above (all students, all grades).
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Schools near Horizon High School
Closest schools by straight-line distance, with their Success Index (US).
Bright Horizons Preschool
Thornton · Public other · Grades PK–PK
36 students · 0 m away
Eagleview Elementary School
Thornton · Public elementary · Grades K–5
451 students · 971 m away
Prairie Hills Elementary School
Thornton · Public elementary · Grades K–5
378 students · 1.6 km away
West Ridge Elementary
Thornton · Public elementary · Grades PK–5
690 students · 1.6 km away
Tarver Elementary School
Thornton · Public elementary · Grades PK–5
475 students · 2.0 km away
Discovery Magnet School
Thornton · Public elementary · Grades K–8
692 students · 2.1 km away
Shadow Ridge Middle School
Thornton · Public middle · Grades 6–8
632 students · 2.5 km away
Brantner Elementary School
Thornton · Public elementary · Grades PK–5
574 students · 2.6 km away
Skyview Elementary School
Thornton · Public elementary · Grades K–5
326 students · 2.8 km away
Stellar Elementary School
Thornton · Public elementary · Grades K–5
418 students · 2.8 km away
Similar schools
Public high schools in Colorado with a comparable Enrollment.
Fountain-Fort Carson High School
Fountain · Public high · Grades 9–12
1,974 students
South High School
Denver · Public high · Grades 9–12
1,950 students
Boulder High School
Boulder · Public high · Grades 9–12
1,939 students
Castle View High School
Castle Rock · Public high · Grades 9–12
1,938 students
Greeley West High School
Greeley · Public high · Grades 9–12
1,936 students
Chaparral High School
Parker · Public high · Grades 9–12
2,007 students
Frequently asked questions
Is Horizon High School a good school?
Horizon High School has a Success Index (US) of 56.4 out of 100 (Top 50% of high schools in United States) and ranks #107 of 307 in Colorado. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does Horizon High School rank in Colorado?
Horizon High School ranks #107 of 307 high schools in Colorado and #6703 of 16,910 nationally on the Success Index (US) (2025 data).
How many students attend Horizon High School?
Horizon High School had 1,966 students in 2025.
Is Horizon High School a elementary school or a high school?
Horizon High School is classified as a high covering Grades 9–12. It is a public school.
What other schools are near Horizon High School?
There are 10 schools within 15 km of Horizon High School; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.