Enrollment
715
Colorado · 2024-25 NCES data
Middle school (grades 6-8) · Longmont, CO
Altona Middle School
Federal NCES profile for Altona Middle School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 42/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 080537001886
👥 S:T ratio 27
🌟 Gifted program 70
🎓 Counselors 28
📋 Attendance 45
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Altona Middle School earns 42/100 on the Resource Investment Index, with class sizes larger than 74% of Colorado schools.
- #4 of 4
- middle schools in Longmont · Resource Index
- 42
- Resource Index · Typical
- 18.3:1
- large classes for Colorado
- 16.6%
- free-lunch eligible
Altona Middle School has class sizes larger than 74% of Colorado schools. Computed live against every Colorado school reporting to NCES.
By Resource Investment Index, Altona Middle School ranks #4 of 4 middle schools in Longmont, CO.
School address
District: St. Vrain Valley School District No. Re1j · Colorado
NCES ID 080537001886 Verify on NCES CCD record →
Teachers (FTE)
39.0
Federal CCD staff survey
Students per teacher
18.3:1
vs 16.6:1 Colorado avg
+10% vs state
Free-lunch eligible
16.6%
vs 38.5% Colorado avg
-57% vs state
Student-teacher ratio in context
How Altona Middle School compares with Colorado and U.S. medians
What stands out at Altona Middle School
Altona Middle School is a lower-poverty, large middle school in Longmont, Colorado, enrolling 715 students.
Class loads run somewhat heavier than typical: 18.3:1 puts it in the larger third of Colorado schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 16.6% of students eligible for free meals.
Enrollment of 715 puts it in the larger third of Colorado schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 1,922 scored Colorado schools.
Against 294 statewide peers matched on enrollment and economic need, it ranks mid-pack at #137.
Its student body is led by White (69%) and Hispanic or Latino (15%) (diversity index 48/100).
Counselor availability sits well past the ASCA benchmark, roughly 358 students sharing each counselor, though short of the most stretched campuses.
Attendance runs somewhat below the norm, with 22.2% of students chronically absent per the 2021-22 civil-rights 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.
St. Vrain Valley School District No. Re1j also operates Erie High School (1,727 students) and Niwot High School (1,509 students) alongside Altona Middle 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 Altona Middle School compares
Altona Middle 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 | 18.3:1 | ▲ 10% | 16.6:1 | 15.7:1 |
| Free-lunch eligible | 16.6% | ▼ 57% | 38.5% | 51.7% |
| Enrollment | 715 | top 14% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
18.3:1
Leaner classes than 23% of US schools, heavier class loads than most.
715
Bigger than 81% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
16.6%
free-lunch eligible
- 57% 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
18.3:1
students per teacher
- 10% above state mean
Top 74% in Colorado - lower ratio than 26% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
22.2%
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
Counselors2.0 FTE
Per 358 students, the combined health-and-guidance staffing load for this school.
Discipline context
36
in-school suspensions + 33 out-of-school
Suspension rate: 5.0 per 100 students. Combined in-school and out-of-school rate: 9.7 per 100 students. Reported via the Civil Rights Data Collection.
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 69.4%
Hispanic or Latino 15.0%
Asian 9.9%
Two or More 5.0%
African American 0.7%
Largest group: White at 69.4% of enrollment.
Student-body diversity index 48.4/100
Simpson diversity index - at 48.4, Altona Middle School is about as mixed as the Colorado school average of 47.1.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for St. Vrain Valley School District No. Re1j, which includes Altona Middle 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 Altona Middle School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Erie High School | Larger | Similar economic need | Higher S:T ratio |
| Niwot High School | Larger | Similar economic need | Higher S:T ratio |
| Frederick Senior High School | Larger | Similar economic need | Higher S:T ratio |
| Longmont High School | Larger | Higher economic need | Higher S:T ratio |
| Soaring Heights Pk-8 | Larger | Similar economic need | Similar S:T ratio |
Comparisons are relative to Altona Middle 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
- 1,268
- Students per teacher
- 20.1:1
- Resource Index
- 37/100
- Enrollment
- 1,211
- Students per teacher
- 17.3:1
- Resource Index
- 46/100
Similar middle 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 (~715 students)
Similar student-teacher ratio (~18.3:1)
Next steps
Verify locally before acting on Altona Middle School's federal record.
- Compare Altona Middle 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 Altona Middle School
How many students attend Altona Middle School?
Altona Middle School has 715 students enrolled. It is a middle school in Longmont, CO.
What is the student-teacher ratio at Altona Middle School?
The student-teacher ratio at Altona Middle School is 18.3:1, which is 10% higher than the Colorado average of 16.6:1 and 17% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Altona Middle School?
16.6% of students at Altona Middle School are eligible for free lunch, compared to the Colorado average of 38.5%.
What is the racial and ethnic makeup of Altona Middle School?
The largest demographic group at Altona Middle School is White at 69.4% of enrollment, in Longmont, CO.
What is the Resource Investment Index for Altona Middle School?
Altona Middle School has a Resource Investment Index of 42/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Altona Middle School rank among middle schools in Longmont?
By Resource Investment Index, Altona Middle School ranks #4 of 4 middle 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 middle schools in Longmont on the city page.
Is Altona Middle School a good school?
Altona Middle School earns 42/100 on the Resource Investment Index, with class sizes larger than 74% of Colorado schools. 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 Altona Middle 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.