Serving 1,834 students in grades 9-12, Northglenn High School ranks in the bottom 50% of all schools in Colorado for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 21% (which is lower than the Colorado state average of 32%). The percentage of students achieving proficiency in reading/language arts is 36% (which is lower than the Colorado state average of 45%).
The student:teacher ratio of 19:1 is higher than the Colorado state level of 15:1.
Minority enrollment is 83% of the student body (majority Hispanic), which is higher than the Colorado state average of 50% (majority Hispanic).
Quick Stats (2025)
- Grades: 9-12
- Enrollment: 1,834 students
- Student:Teacher Ratio: 19:1
- Minority Enrollment: 83%
- Graduation Rate: 80% (Btm 50% in CO)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: 21% (Btm 50%)
- Reading Proficiency: 36% (Btm 50%)
- Science Proficiency: 11% (Btm 50%)
- Source: National Center for Education Statistics (NCES), CO Dept. of Education
School Overview
Northglenn High School's student population of 1,834 students has declined by 11% over five school years.
The teacher population of 97 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
Total Students
1,834 students
Gender %
Total Classroom Teachers
97 teachers
Students by Grade
School Rankings
Northglenn High School ranks within the bottom 50% of all 1,779 schools in Colorado (based off of combined math and reading proficiency testing data).
The diversity score of Northglenn High School is 0.40, which is less than the diversity score at state average of 0.62. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#1138 out of 1779 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
21%
32%
Reading/Language Arts Test Scores (% Proficient)
36%
45%
Science Test Scores (% Proficient)
(20-21)11%
29%
Student : Teacher Ratio
19:1
15:1
American Indian
1%
1%
Asian
2%
3%
Hispanic
76%
36%
Black
2%
5%
White
17%
50%
Hawaiian
n/a
n/a
Two or more races
2%
5%
All Ethnic Groups
Graduation Rate
80%
82%
Eligible for Free Lunch
62%
39%
Eligible for Reduced Lunch
13%
6%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CO Dept. of Education
Frequently Asked Questions
What is Northglenn High School's ranking?
Northglenn High School is ranked #1138 out of 1,779 schools, which ranks it among the bottom 50% of public schools in Colorado.
What schools are Northglenn High School often compared to?
Northglenn High Schoolis often viewed alongside schools like Thornton High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
21% of students have achieved math proficiency (compared to the 32% CO state average), while 36% of students have achieved reading proficiency (compared to the 45% CO state average).
What is the graduation rate of Northglenn High School?
The graduation rate of Northglenn High School is 80%, which is lower than the Colorado state average of 82%.
How many students attend Northglenn High School?
1,834 students attend Northglenn High School.
What is the racial composition of the student body?
76% of Northglenn High School students are Hispanic, 17% of students are White, 2% of students are Asian, 2% of students are Black, 2% of students are Two or more races, and 1% of students are American Indian.
What is the student:teacher ratio of Northglenn High School?
Northglenn High School has a student ration of 19:1, which is higher than the Colorado state average of 15:1.
What grades does Northglenn High School offer ?
Northglenn High School offers enrollment in grades 9-12
What school district is Northglenn High School part of?
Northglenn High School is part of Adams 12 Five Star Schools School District.
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