Horizon High School

5321 East 136th Avenue
Brighton, CO 80601
(School attendance zone shown in map)
: 
9/
10
Top 20%
Serving 1,966 students in grades 9-12, Horizon High School ranks in the top 20% of all schools in Colorado for overall test scores (math proficiency is top 30%, and reading proficiency is top 30%).
The percentage of students achieving proficiency in math is 49% (which is higher than the Colorado state average of 33%). The percentage of students achieving proficiency in reading/language arts is 62% (which is higher than the Colorado state average of 45%).
The student-teacher ratio of 20:1 is higher than the Colorado state level of 15:1.
Minority enrollment is 47% of the student body (majority Hispanic), which is lower than the Colorado state average of 51% (majority Hispanic).

Quick Facts (26-27)

  • Grades: 9-12
  • Enrollment: 1,966 students
  • Student-Teacher Ratio: 20:1
  • Minority Enrollment: 47%
  • : 96% (Top 5% in CO)
  • : Top 20%
  • : 49% (Top 30%)
  • : 62% (Top 20%)
  • : 29% (Top 50%)
  • : Horizon High School serves the eastern part of Brighton, CO, covering an area of approximately 5.4 square miles. Most students live within a 5-10 minute drive from the school, with the furthest edge of the attendance zone located about 2.3 miles away.
  • Source: National Center for Education Statistics (NCES), CO Dept. of Education

Top Rankings

Horizon High School ranks among the top 20% of public schools in Colorado for:

Category
Attribute
Reading/Language Arts Proficiency

School Overview

Horizon High School's student population of 1,966 students has stayed relatively flat over five school years.
The teacher population of 98 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
(No virtual instruction)
Total Students
1,966 students

Showing 2015–2025. View full 37-year historical data

Total Classroom Teachers
98 teachers

Showing 2015–2025. View full 37-year historical data

Year Founded
1988
School Calendar

School Rankings

Horizon High School ranks within the top 20% of all 1,748 schools in Colorado (based off of combined math and reading proficiency testing data).
The diversity score of Horizon High School is 0.60, which is less than the diversity score at state average of 0.63. The school's diversity has stayed relatively flat over five school years.
This School
State Level (CO)
#318 out of 1748 schools
(Top 20%)

Showing 2013–2023. View full 14-year historical data

49%
33%

Showing 2013–2023. View full 14-year historical data

62%
45%

Showing 2012–2022. View full 13-year historical data

(20-21)
29%
29%
Student-Teacher Ratio
20:1
15:1

Showing 2015–2025. View full 37-year historical data

American Indian
1%
1%

Showing 2007–2025. View full 37-year historical data

Asian
5%
3%

Showing 2015–2025. View full 37-year historical data

Hispanic
35%
37%

Showing 2015–2025. View full 37-year historical data

Black
1%
5%

Showing 2015–2025. View full 37-year historical data

White
53%
49%

Showing 2015–2025. View full 37-year historical data

Two or more races
5%
5%

Showing 2015–2025. View full 14-year historical data

All Ethnic Groups
47%
0.60

Showing 2015–2025. View full 37-year historical data

96%
82.7%

Showing 2014–2023. View full 13-year historical data

(22-23)
26.2%
33.6%
Eligible for Free Lunch
27%
39%

Showing 2015–2025. View full 37-year historical data

Eligible for Reduced Lunch
6%
5%

Showing 2015–2025. View full 26-year historical data

School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CO Dept. of Education

Frequently Asked Questions

What is Horizon High School's ranking?
Horizon High School is ranked #318 out of 1,748 schools, which ranks it among the top 20% of public schools in Colorado.
What schools are Horizon High School often compared to?
Horizon High Schoolis often viewed alongside schools like Mountain Range High School, Riverdale Ridge High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
49% of students have achieved math proficiency (compared to the 33% CO state average), while 62% of students have achieved reading proficiency (compared to the 45% CO state average).
What is the graduation rate of Horizon High School?
The graduation rate of Horizon High School is 96%, which is higher than the Colorado state average of 82.7%.
How many students attend Horizon High School?
1,966 students attend Horizon High School.
What is the racial composition of the student body?
53% of Horizon High School students are White, 35% of students are Hispanic, 5% of students are Asian, 5% of students are Two or more races, 1% of students are American Indian, and 1% of students are Black.
What is the student-teacher ratio of Horizon High School?
Horizon High School has a student ration of 20:1, which is higher than the Colorado state average of 15:1.
What grades does Horizon High School offer ?
Horizon High School offers enrollment in grades 9-12 (No virtual instruction).
What school district is Horizon High School part of?
Horizon High School is part of Adams 12 Five Star Schools.

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Quick Facts (26-27)

  • Grades: 9-12
  • Enrollment: 1,966 students
  • Student-Teacher Ratio: 20:1
  • Minority Enrollment: 47%
  • : 96% (Top 5%)
  • : Top 20%
  • : 49% (Top 30%)
  • : 62% (Top 20%)
  • : 29% (Top 50%)
  • : Horizon High School serves the eastern part of Brighton, CO, covering an area of approximately 5.4 square miles. Most students live within a 5-10 minute drive from the school, with the furthest edge of the attendance zone located about 2.3 miles away.
  • Source: National Center for Education Statistics (NCES), CO Dept. of Education

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