Enrollment
2,137
Colorado · 2024-25 NCES data
High school (grades 9-12) · Denver, CO
Federal NCES profile for Northfield High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 30/100.
The verdict
Northfield High School earns 30/100 on the Resource Investment Index, with class sizes larger than 91% of Colorado schools. It is also one of the largest schools in Colorado.
Northfield High School has class sizes larger than 91% of Colorado schools. Computed live against every Colorado school reporting to NCES.
By Resource Investment Index, Northfield High School ranks #37 of 45 high schools in Denver, CO.
NCES ID 080336006660 Verify on NCES CCD record →
Enrollment
2,137
Colorado · 2024-25 NCES data
Teachers (FTE)
99.0
Federal CCD staff survey
Students per teacher
21.6:1
vs 16.6:1 Colorado avg
+30% vs state
Free-lunch eligible
27.8%
vs 38.5% Colorado avg
-28% vs state
How Northfield High School compares with Colorado and U.S. medians
Larger classes than state median
21.6:1 - 5.0 above the Colorado state median of 16.6:1, indicating larger average class loads than typical schools in the state.
Northfield High School is a large high school in Denver, Colorado, enrolling 2,137 students.
Class loads run heavy: 21.6:1 is larger than about 91% of Colorado schools and 30% above the 16.6:1 state mean, so each teacher carries more students than is typical.
Economic need runs somewhat below the state's typical profile, with 27.8% of students eligible for free meals.
By headcount it is one of the larger campuses in Colorado, bigger than 99% of state schools at 2,137 students.
Its Resource Investment Index lands in the lower third of 1,922 scored Colorado schools.
Against 43 statewide peers matched on enrollment and economic need, it ranks mid-pack at #22.
Its student body is led by White (46%) and Hispanic or Latino (29%), more mixed than most schools in the state (diversity index 68/100).
On the academic-pipeline side it reports 2 Advanced Placement courses.
Counselor access is stretched at roughly 427 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Attendance runs somewhat below the norm, with 23.2% of students chronically absent per the 2021-22 civil-rights collection.
School District No. 1 in the County of Denver and State of C also operates East High School (2,476 students) and South High School (1,950 students) alongside Northfield High School.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
Northfield High School on the metrics families compare, against Colorado and U.S. means.
| Metric | This school | vs Colorado | Colorado avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 21.6:1 | ▲ 30% | 16.6:1 | 15.7:1 |
| Free-lunch eligible | 27.8% | ▼ 28% | 38.5% | 51.7% |
| Enrollment | 2,137 | top 1% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Largest group: White at 45.9% of enrollment.
Simpson diversity index - at 67.6, Northfield High School is more mixed than the Colorado school average of 47.1.
District-wide per-pupil expenditure for School District No. 1 in the County of Denver and State of C, which includes Northfield High School.
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| East High School | Similar size | Similar economic need | Lower S:T ratio |
| South High School | Similar size | Similar economic need | Similar S:T ratio |
| North High School | Similar size | Higher economic need | Lower S:T ratio |
| Thomas Jefferson High School | Smaller | Higher economic need | Lower S:T ratio |
| Mcauliffe International School | Smaller | Similar economic need | Lower S:T ratio |
Comparisons are relative to Northfield High School's own figures; each column derives from NCES Common Core of Data.
Matched by enrollment size and by staffing ratio across all of Colorado, not just this city - a different peer set than the local comparisons above.
Next steps
Verify locally before acting on Northfield High School's federal record.
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Northfield High School has 2,137 students enrolled. It is a high school in Denver, CO.
The student-teacher ratio at Northfield High School is 21.6:1, which is 30% higher than the Colorado average of 16.6:1 and 38% higher than the national average of 15.7:1.
27.8% of students at Northfield High School are eligible for free lunch, compared to the Colorado average of 38.5%.
The largest demographic group at Northfield High School is White at 45.9% of enrollment, in Denver, CO. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 67.6/100.
Northfield High School has a Resource Investment Index of 30/100 (lower reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Northfield High School ranks #37 of 45 high schools in Denver, CO. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in Denver on the city page.
Northfield High School earns 30/100 on the Resource Investment Index, with class sizes larger than 91% of Colorado schools. It is also one of the largest schools in Colorado. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
Besides Northfield High School, School District No. 1 in the County of Denver and State of C also operates East High School (2,476 students), South High School (1,950 students), and North High School (1,653 students). See the School District No. 1 in the County of Denver and State of C district page for the complete list.
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.
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PlainSchools, “Northfield High School, Denver CO.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/northfield-high-school-co
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