Enrollment
358
Colorado · 2024-25 NCES data
Elementary school (grades K-5) · Boulder, CO
Horizons K-8 School
Federal NCES profile for Horizons K-8 School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 52/100.
2024-25 NCES dataElementary school (grades K-5)NCES 080249006199Charter school
👥 S:T ratio 49
🌟 Gifted program 70
🎓 Counselors 28
📋 Attendance 60
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Horizons K-8 School earns 52/100 on the Resource Investment Index, with class sizes smaller than 78% of Colorado schools.
- #1 of 10
- elementary schools in Boulder · Resource Index
- 52
- Resource Index · Higher
- 12.8:1
- small classes for Colorado
- 8.9%
- free-lunch eligible
Horizons K-8 School has class sizes smaller than 78% of Colorado schools. Computed live against every Colorado school reporting to NCES.
By Resource Investment Index, Horizons K-8 School ranks #1 of 10 elementary schools in Boulder, CO.
School address
District: Boulder Valley School District No. Re2 · Colorado
NCES ID 080249006199 Verify on NCES CCD record →
Teachers (FTE)
28.0
Federal CCD staff survey
Students per teacher
12.8:1
vs 16.6:1 Colorado avg
-23% vs state
Free-lunch eligible
8.9%
vs 38.5% Colorado avg
-77% vs state
Student-teacher ratio in context
How Horizons K-8 School compares with Colorado and U.S. medians
What stands out at Horizons K-8 School
Horizons K-8 School is a lower-poverty, mid-sized charter elementary school in Boulder, Colorado, enrolling 358 students.
Class sizes run a bit leaner than typical: 12.8:1 puts it in the smaller third of Colorado schools by student-teacher ratio.
Comparatively few students face economic hardship here, 8.9% free-meal eligibility runs 77% below the Colorado average.
With 358 students, its enrollment sits close to the Colorado median campus size.
Its Resource Investment Index lands in the upper third of 1,922 scored Colorado schools.
Against 257 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #54.
Its student body is predominantly White (83% of enrollment) (diversity index 30/100).
Counselor availability sits well past the ASCA benchmark, roughly 358 students sharing each counselor, though short of the most stretched campuses.
15.9% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
Boulder Valley School District No. Re2 also operates Boulder High School (1,939 students) and Fairview High School (1,863 students) alongside Horizons K-8 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 Horizons K-8 School compares
Horizons K-8 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 | 12.8:1 | ▼ 23% | 16.6:1 | 15.7:1 |
| Free-lunch eligible | 8.9% | ▼ 77% | 38.5% | 51.7% |
| Enrollment | 358 | top 51% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
12.8:1
Leaner classes than 68% of US schools, among the more generously staffed nationally.
358
Bigger than 41% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
8.9%
free-lunch eligible
- 77% 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
12.8:1
students per teacher
- 23% below state mean
Top 22% in Colorado - lower ratio than 78% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
15.9%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$15,316
per pupil, district-wide
- below Colorado avg of $16,273
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors1.0 FTE
Per 358 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 1 out-of-school
Suspension rate: 0.0 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 83.1%
Two or More 7.6%
Hispanic or Latino 5.9%
Asian 2.0%
African American 1.1%
American Indian / Alaska Native 0.3%
Largest group: White at 83.1% of enrollment.
Student-body diversity index 30.0/100
Simpson diversity index - at 30.0, Horizons K-8 School is less mixed than the Colorado school average of 47.1.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Boulder Valley School District No. Re2, which includes Horizons K-8 School.
$15,316
Per student
-6%
vs Colorado
Avg $16,273
-8%
vs U.S.
Avg $16,593
Revenue mix
Local 80.6%
State 13.3%
Federal 6.1%
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 Horizons K-8 School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Boulder High School | Larger | Higher economic need | Higher S:T ratio |
| Fairview High School | Larger | Similar economic need | Higher S:T ratio |
| Broomfield High School | Larger | Similar economic need | Higher S:T ratio |
| Centaurus High School | Larger | Higher economic need | Higher S:T ratio |
| Peak to Peak Charter School | Larger | Similar economic need | Higher S:T ratio |
Comparisons are relative to Horizons K-8 School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,939
- Students per teacher
- 19:1
- Resource Index
- 34/100
- Enrollment
- 1,863
- Students per teacher
- 21.4:1
- Resource Index
- 46/100
- Enrollment
- 1,693
- Students per teacher
- 21.4:1
- Resource Index
- 38/100
- Enrollment
- 1,557
- Students per teacher
- 19.2:1
- Resource Index
- 30/100
- Enrollment
- 1,447
- Students per teacher
- 19.3:1
- Resource Index
- 54/100
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 (~358 students)
Next steps
Verify locally before acting on Horizons K-8 School's federal record.
- Compare Horizons K-8 School against another school. Compare schools
- Boulder Valley School District No. Re2'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 Horizons K-8 School
How many students attend Horizons K-8 School?
Horizons K-8 School has 358 students enrolled. It is an elementary school in Boulder, CO.
What is the student-teacher ratio at Horizons K-8 School?
The student-teacher ratio at Horizons K-8 School is 12.8:1, which is 23% lower than the Colorado average of 16.6:1 and 18% 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 Horizons K-8 School?
8.9% of students at Horizons K-8 School are eligible for free lunch, compared to the Colorado average of 38.5%.
What is the racial and ethnic makeup of Horizons K-8 School?
The largest demographic group at Horizons K-8 School is White at 83.1% of enrollment, in Boulder, CO.
What is the Resource Investment Index for Horizons K-8 School?
Horizons K-8 School has a Resource Investment Index of 52/100 (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 Horizons K-8 School rank among elementary schools in Boulder?
By Resource Investment Index, Horizons K-8 School ranks #1 of 10 elementary schools in Boulder, CO. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Boulder on the city page.
Is Horizons K-8 School a good school?
Horizons K-8 School earns 52/100 on the Resource Investment Index, with class sizes smaller than 78% 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 Boulder Valley School District No. Re2?
Besides Horizons K-8 School, Boulder Valley School District No. Re2 also operates Boulder High School (1,939 students), Fairview High School (1,863 students), and Broomfield High School (1,693 students). See the Boulder Valley School District No. Re2 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.