Summary:
Zip code 80260 in Colorado contains exactly one high school — Northglenn High School — which serves 1,844 students in grades 9 through 12 as part of Adams 12 Five Star Schools. Nearly 72% of students qualify for free or reduced-price lunch, indicating a predominantly low-income student population, and the school maintains a student-teacher ratio of 19.2:1.
The most encouraging news for parents is that Northglenn graduates its students at a rate above both district and state averages. The 2024–2025 graduation rate reached 89.0%, compared to 85.8% for the district and 85.6% statewide, while the dropout rate of 1.0% is well below the district and state rate of 1.6%. That said, chronic absenteeism is a major red flag: fully 50% of students are chronically absent, nearly double the state rate of 28.4% and far above the district's 32.2%.
Academically, the school faces significant challenges, particularly in math and science. In 2025–2026, only 11% of 11th graders scored proficient in SAT math, compared to 33% in the district and 32% statewide, and just 14.6% were proficient in CMAS science versus 22.1% in the district. Reading and writing scores are relatively stronger — 51% of 10th graders were proficient on the PSAT 10 — but still trail district and state levels. Scores declined in most subjects from the prior year, with SAT math dropping from 21% to 11%, and the school's state ranking has slipped from the 23rd percentile in 2023–2024 to the 14th percentile in 2025–2026. In short, Northglenn excels at getting students across the graduation stage, but low test scores and severe absenteeism remain serious concerns for families to consider.
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