Enrollment
581
Colorado · 2024-25 NCES data
Elementary school (grades K-5) · Erie, CO
Aspen Ridge Preparatory School
Federal NCES profile for Aspen Ridge Preparatory School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 54/100.
2024-25 NCES dataElementary school (grades K-5)NCES 080537006530Charter school
👥 S:T ratio 39
🌟 Gifted program 70
🎓 Counselors 48
📋 Attendance 61
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Aspen Ridge Preparatory School earns 54/100 on the Resource Investment Index, with class sizes near the Colorado median.
- #1 of 9
- public schools in Erie · Resource Index
- 54
- Resource Index · Higher
- 15.3:1
- students per teacher
- 4.8%
- free-lunch eligible
Aspen Ridge Preparatory School has class sizes near the Colorado median. Computed live against every Colorado school reporting to NCES.
By Resource Investment Index, Aspen Ridge Preparatory School ranks #1 of 9 public schools in Erie, CO.
School address
District: St. Vrain Valley School District No. Re1j · Colorado
NCES ID 080537006530 Verify on NCES CCD record →
Teachers (FTE)
38.0
Federal CCD staff survey
Students per teacher
15.3:1
vs 16.6:1 Colorado avg
-8% vs state
Free-lunch eligible
4.8%
vs 38.5% Colorado avg
-88% vs state
Student-teacher ratio in context
How Aspen Ridge Preparatory School compares with Colorado and U.S. medians
What stands out at Aspen Ridge Preparatory School
Aspen Ridge Preparatory School is a lower-poverty, mid-sized charter elementary school in Erie, Colorado, enrolling 581 students.
At 15.3:1, its student-teacher ratio sits close to the Colorado median, within a few percentage points of the 16.6:1 state norm, neither notably crowded nor notably small.
Comparatively few students face economic hardship here, 4.8% free-meal eligibility runs 88% below the Colorado average.
Enrollment of 581 puts it in the larger third of Colorado schools by headcount.
Its Resource Investment Index lands in the upper third of 1,922 scored Colorado schools.
Against 252 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #29.
Its student body is predominantly White (81% of enrollment) (diversity index 34/100).
Counselor coverage runs a bit thin, about 262 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
15.8% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
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 Aspen Ridge Preparatory 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 Aspen Ridge Preparatory School compares
Aspen Ridge Preparatory 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 | 15.3:1 | ▼ 8% | 16.6:1 | 15.7:1 |
| Free-lunch eligible | 4.8% | ▼ 88% | 38.5% | 51.7% |
| Enrollment | 581 | top 21% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
15.3:1
Leaner classes than 44% of US schools, a middle-of-the-pack class size.
581
Bigger than 71% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
4.8%
free-lunch eligible
- 88% below the Colorado average of 38.5%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
15.3:1
students per teacher
- 8% below state mean
Top 45% in Colorado - lower ratio than 55% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
15.8%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
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
Counselors2.2 FTE
Per 262 students, the combined health-and-guidance staffing load for this school.
Discipline context
1
in-school suspensions + 1 out-of-school
Suspension rate: 0.2 per 100 students. Combined in-school and out-of-school rate: 0.3 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 80.6%
Hispanic or Latino 8.1%
Two or More 5.5%
Asian 4.8%
African American 0.9%
American Indian / Alaska Native 0.2%
Largest group: White at 80.6% of enrollment.
Student-body diversity index 33.8/100
Simpson diversity index - at 33.8, Aspen Ridge Preparatory School is less mixed than 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 Aspen Ridge Preparatory 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 Aspen Ridge Preparatory 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 | Higher economic need | Higher S:T ratio |
| Frederick Senior High School | Larger | Higher 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 | Higher S:T ratio |
Comparisons are relative to Aspen Ridge Preparatory 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 elementary 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 (~581 students)
Next steps
Verify locally before acting on Aspen Ridge Preparatory School's federal record.
- Compare Aspen Ridge Preparatory 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 Aspen Ridge Preparatory School
How many students attend Aspen Ridge Preparatory School?
Aspen Ridge Preparatory School has 581 students enrolled. It is an elementary school in Erie, CO.
What is the student-teacher ratio at Aspen Ridge Preparatory School?
The student-teacher ratio at Aspen Ridge Preparatory School is 15.3:1, which is 8% lower than the Colorado average of 16.6:1 and 3% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Aspen Ridge Preparatory School?
4.8% of students at Aspen Ridge Preparatory School are eligible for free lunch, compared to the Colorado average of 38.5%.
What is the racial and ethnic makeup of Aspen Ridge Preparatory School?
The largest demographic group at Aspen Ridge Preparatory School is White at 80.6% of enrollment, in Erie, CO.
What is the Resource Investment Index for Aspen Ridge Preparatory School?
Aspen Ridge Preparatory School has a Resource Investment Index of 54/100 (higher 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 Aspen Ridge Preparatory School rank among public schools in Erie?
By Resource Investment Index, Aspen Ridge Preparatory School ranks #1 of 9 public schools in Erie, CO. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Erie on the city page.
Is Aspen Ridge Preparatory School a good school?
Aspen Ridge Preparatory School earns 54/100 on the Resource Investment Index, with class sizes near the Colorado median. 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 Aspen Ridge Preparatory 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.