Enrollment
1,268
Colorado · 2024-25 NCES data
High school (grades 9-12) · Longmont, CO
Longmont High School
Federal NCES profile for Longmont High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 46/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 080537000909
👥 S:T ratio 20
📚 AP courses 85
🌟 Gifted program 70
🎓 Counselors 58
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Longmont High School earns 46/100 on the Resource Investment Index, with class sizes larger than 86% of Colorado schools. It is also one of the largest schools in Colorado.
- #6 of 6
- high schools in Longmont · Resource Index
- 46
- Resource Index · Typical
- 20.1:1
- large classes for Colorado
- 33.8%
- free-lunch eligible
Longmont High School has class sizes larger than 86% of Colorado schools. Computed live against every Colorado school reporting to NCES.
By Resource Investment Index, Longmont High School ranks #6 of 6 high schools in Longmont, CO.
School address
District: St. Vrain Valley School District No. Re1j · Colorado
NCES ID 080537000909 Verify on NCES CCD record →
Teachers (FTE)
63.0
Federal CCD staff survey
Students per teacher
20.1:1
vs 16.6:1 Colorado avg
+21% vs state
Free-lunch eligible
33.8%
vs 38.5% Colorado avg
-12% vs state
Student-teacher ratio in context
How Longmont High School compares with Colorado and U.S. medians
What stands out at Longmont High School
Longmont High School is a large high school in Longmont, Colorado, enrolling 1,268 students.
Class loads run heavy: 20.1:1 is larger than about 86% of Colorado schools and 21% above the 16.6:1 state mean, so each teacher carries more students than is typical.
Its free-meal eligibility rate of 33.8% lands close to the Colorado typical range, neither a high- nor low-need campus by this measure.
By headcount it is one of the larger campuses in Colorado, bigger than 95% of state schools at 1,268 students.
Its Resource Investment Index lands in the lower third of 1,922 scored Colorado schools.
Against 68 statewide peers matched on enrollment and economic need, it ranks mid-pack at #30.
Its student body is led by White (53%) and Hispanic or Latino (41%) (diversity index 55/100).
On the academic-pipeline side it reports 17 Advanced Placement courses.
Counselor coverage is strong, about 211 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 45.9% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding St. Vrain Valley School District No. Re1j spends $12,559 per pupil, 23% below the Colorado average, a leaner-resourced district than most.
The federal civil-rights collection also records 4 expulsions at this campus for 2021-22.
St. Vrain Valley School District No. Re1j also operates Erie High School (1,727 students) and Niwot High School (1,509 students) alongside Longmont 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
How Longmont High School compares
Longmont 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 | 20.1:1 | ▲ 21% | 16.6:1 | 15.7:1 |
| Free-lunch eligible | 33.8% | ▼ 12% | 38.5% | 51.7% |
| Enrollment | 1,268 | top 5% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
20.1:1
Leaner classes than 16% of US schools, heavier class loads than most.
1,268
Bigger than 95% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
33.8%
free-lunch eligible
- 12% below the Colorado average of 38.5%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
20.1:1
students per teacher
- 21% above state mean
Top 86% in Colorado - lower ratio than 14% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
45.9%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$12,559
per pupil, district-wide
- below Colorado avg of $16,273
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors6.0 FTE
Per 211 students, the combined health-and-guidance staffing load for this school.
Discipline context
42
in-school suspensions + 67 out-of-school
Suspension rate: 3.3 per 100 students. Combined in-school and out-of-school rate: 8.6 per 100 students. Reported via the Civil Rights Data Collection. Includes 4 expulsions.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
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.
Student demographics
White 52.6%
Hispanic or Latino 41.2%
Two or More 3.5%
Asian 1.5%
African American 0.6%
American Indian / Alaska Native 0.3%
Native Hawaiian / Pacific Islander 0.2%
Largest group: White at 52.6% of enrollment.
Student-body diversity index 55.2/100
Simpson diversity index - at 55.2, Longmont High School is more mixed than the Colorado school average of 47.1.
Programs
AP courses offered 17
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for St. Vrain Valley School District No. Re1j, which includes Longmont High School.
$12,559
Per student
-23%
vs Colorado
Avg $16,273
-24%
vs U.S.
Avg $16,593
Revenue mix
Local 54.1%
State 36.7%
Federal 9.3%
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.
How Longmont High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Erie High School | Larger | Lower economic need | Higher S:T ratio |
| Niwot High School | Similar size | Lower economic need | Higher S:T ratio |
| Frederick Senior High School | Similar size | Similar economic need | Higher S:T ratio |
| Soaring Heights Pk-8 | Similar size | Lower economic need | Lower S:T ratio |
| Silver Creek High School | Similar size | Lower economic need | Higher S:T ratio |
Comparisons are relative to Longmont High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,727
- Students per teacher
- 23.3:1
- Resource Index
- 37/100
- Enrollment
- 1,509
- Students per teacher
- 26.9:1
- Resource Index
- 32/100
- Enrollment
- 1,491
- Students per teacher
- 25.3:1
- Resource Index
- 32/100
- Enrollment
- 1,211
- Students per teacher
- 17.3:1
- Resource Index
- 46/100
- Enrollment
- 1,208
- Students per teacher
- 22.4:1
- Resource Index
- 42/100
Similar high schools statewide
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.
Similar enrollment (~1,268 students)
Similar student-teacher ratio (~20.1:1)
Next steps
Verify locally before acting on Longmont High School's federal record.
- Compare Longmont High School against another school. Compare schools
- St. Vrain Valley School District No. Re1j's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
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.
Frequently asked questions about Longmont High School
How many students attend Longmont High School?
Longmont High School has 1,268 students enrolled. It is a high school in Longmont, CO.
What is the student-teacher ratio at Longmont High School?
The student-teacher ratio at Longmont High School is 20.1:1, which is 21% higher than the Colorado average of 16.6:1 and 28% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Longmont High School?
33.8% of students at Longmont High School are eligible for free lunch, compared to the Colorado average of 38.5%.
What is the racial and ethnic makeup of Longmont High School?
The largest demographic group at Longmont High School is White at 52.6% of enrollment, in Longmont, CO. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 55.2/100.
What is the Resource Investment Index for Longmont High School?
Longmont High School has a Resource Investment Index of 46/100 (typical 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).
How does Longmont High School rank among high schools in Longmont?
By Resource Investment Index, Longmont High School ranks #6 of 6 high schools in Longmont, 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 Longmont on the city page.
Is Longmont High School a good school?
Longmont High School earns 46/100 on the Resource Investment Index, with class sizes larger than 86% 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.
What other schools are in St. Vrain Valley School District No. Re1j?
Besides Longmont High School, St. Vrain Valley School District No. Re1j also operates Erie High School (1,727 students), Niwot High School (1,509 students), and Frederick Senior High School (1,491 students). See the St. Vrain Valley School District No. Re1j district page for the complete list.
Related tools
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.