Northglenn High School
🇺🇸 Official data · 2025Northglenn, Colorado 80221 · Adams 12 Five Star Schools
#268 of 307 high schools in Colorado
#14600 of 16,910 nationally
About Northglenn High School
Northglenn High School is a public high located in Northglenn, in the Adams 12 Five Star Schools school district of Colorado, United States. It caters for Grades 9–12. In 2025 it enrolled 1,844 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 23.9 out of 100, placing it in the lower 50% of high schools in United States and 268th of 307 ranked high schools in Colorado. Its strongest component is reading proficiency (28th percentile), and its weakest is math proficiency (18th percentile).
Other published figures: enrollment 1,844.
There are 13 schools in Northglenn; Northglenn High School ranks 5th of 13 scored schools there.
Success Index (US) breakdown
Each component is a percentile against high schools across United States.
- Math proficiency (30%)20%
- Reading proficiency (30%)41%
- Community advantage (fewer free/reduced-price lunch) (25%)71.7%
- Students per teacher (15%)19.4
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 Northglenn High School by the official sources.
- Enrollment
- 1,844
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 71.7%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 19.4
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 41%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 20%
- Share of tested students proficient or above (all students, all grades).
Free academic assessment
Is your child on grade level in reading and math?
Success Tutoring offers personalised English and math tutoring from Kindergarten to Grade 12. Start with a free online assessment and a clear plan for the year ahead.
- Personalised learning plan mapped to the Australian Curriculum
- English & Maths from Kindergarten to Year 12
- Flexible memberships, no lock-in contracts
- Centres across NSW, VIC, QLD, WA, SA and ACT
Schools near Northglenn High School
Closest schools by straight-line distance, with their Success Index (US).
Hillcrest Elementary School
Northglenn · Public elementary · Grades K–5
338 students · 693 m away
North Mor Elementary School
Northglenn · Public elementary · Grades PK–5
304 students · 1.1 km away
The Studio School
Northglenn · Public elementary · Grades K–5
215 students · 1.4 km away
Westview Elementary School
Northglenn · Public elementary · Grades PK–5
402 students · 1.5 km away
STEM Launch
Thornton · Public elementary · Grades K–8
677 students · 1.5 km away
Thornton High School
Thornton · Public high · Grades 9–12
1,439 students · 1.9 km away
Thornton Middle School
Thornton · Public middle · Grades 6–8
721 students · 2.0 km away
Federal Heights Elementary School
Denver · Public elementary · Grades PK–5
430 students · 2.2 km away
Stukey Elementary School
Northglenn · Public elementary · Grades K–5
348 students · 2.3 km away
Thornton Elementary School
Thornton · Public elementary · Grades PK–5
387 students · 2.4 km away
Similar schools
Public high schools in Colorado with a comparable Enrollment.
Fossil Ridge High School
Fort Collins · Public high · Grades 9–12
1,846 students
Fort Collins High School
Fort Collins · Public high · Grades 9–12
1,836 students
Grand Junction High School
Grand Junction · Public high · Grades 9–12
1,832 students
Fairview High School
Boulder · Public high · Grades 9–12
1,863 students
Thunderridge High School
Highlands Ranch · Public high · Grades 9–12
1,820 students
Pine Creek High School
Colorado Springs · Public high · Grades 9–12
1,875 students
Frequently asked questions
Is Northglenn High School a good school?
Northglenn High School has a Success Index (US) of 23.9 out of 100 (Lower 50% of high schools in United States) and ranks #268 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 Northglenn High School rank in Colorado?
Northglenn High School ranks #268 of 307 high schools in Colorado and #14600 of 16,910 nationally on the Success Index (US) (2025 data).
How many students attend Northglenn High School?
Northglenn High School had 1,844 students in 2025.
Is Northglenn High School a elementary school or a high school?
Northglenn High School is classified as a high covering Grades 9–12. It is a public school.
What other schools are near Northglenn High School?
There are 10 schools within 15 km of Northglenn High School; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.