Enrollment
7
California · 2024-25 NCES data
High school (grades 9-12) · Riverdale, CA
Horizon High
Federal NCES profile for Horizon High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 20/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 060004007830
📚 AP courses 10
🌟 Gifted program 30
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Horizon High earns 20/100 on the Resource Investment Index on federal resource data. It is also one of the smallest schools in California.
- #2 of 5
- public schools in Riverdale · Resource Index
- 20
- Resource Index · Lower
- 70.6%
- free-lunch eligible
- 7
- students enrolled
By Resource Investment Index, Horizon High ranks #2 of 5 public schools in Riverdale, CA.
School address
District: Riverdale Joint Unified · California
NCES ID 060004007830 Verify on NCES CCD record →
Free-lunch eligible
70.6%
vs 55.5% California avg
+27% vs state
What stands out at Horizon High
Horizon High is a higher-need, small high school in Riverdale, California, enrolling 7 students.
Economic need runs somewhat above the state's typical profile, with 70.6% of students eligible for free meals.
This is a small campus: fewer students than 99% of California schools, with 7 enrolled.
Its Resource Investment Index sits near the middle of the pack among 9,998 scored California schools.
Among 22 similarly sized, similarly resourced-need California schools statewide, it ranks #17, in the lower tier once campus size and economic need are matched.
Its student body is predominantly Hispanic or Latino (86% of enrollment) (diversity index 25/100).
No Advanced Placement courses are reported for this campus in the federal data.
Its district draws 15.9% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Among Riverdale's high schools, it stands alongside Riverdale High (496 students): Horizon High is smaller than that campus by headcount.
Riverdale Joint Unified also operates Riverdale Elementary (507 students) and Riverdale High (496 students) alongside Horizon High.
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 Horizon High compares
Horizon High on the metrics families compare, against California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Free-lunch eligible | 70.6% | ▲ 27% | 55.5% | 51.7% |
| Enrollment | 7 | top 99% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
7
Bigger than 1% of US schools by enrollment, a small campus.
Equity indicators (what these measure)
Economic need
70.6%
free-lunch eligible
- 27% above the California average of 55.5%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Funding equity
$16,568
per pupil, district-wide
- above California avg of $16,509
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 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
Hispanic or Latino 85.7%
White 14.3%
Largest group: Hispanic or Latino at 85.7% of enrollment.
Student-body diversity index 24.5/100
Simpson diversity index - at 24.5, Horizon High is less mixed than the California school average of 46.0.
Programs
AP program Not offered
Funding & spending
District-wide per-pupil expenditure for Riverdale Joint Unified, which includes Horizon High.
$16,568
Per student
+0%
vs California
Avg $16,509
0%
vs U.S.
Avg $16,593
Revenue mix
Local 23.7%
State 60.3%
Federal 15.9%
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 Horizon High Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Riverdale Elementary | Larger | Similar economic need | No ratio data |
| Riverdale High | Larger | Similar economic need | No ratio data |
| Fipps Primary | Larger | Higher economic need | No ratio data |
Comparisons are relative to Horizon High's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 507
- Students per teacher
- 19.5:1
- Resource Index
- 19/100
- Enrollment
- 496
- Students per teacher
- 15:1
- Resource Index
- 29/100
- Enrollment
- 394
- Students per teacher
- 18.8:1
- Resource Index
- 19/100
Similar high schools in Riverdale
1 comparable high schools (grades 9-12) serving the same city.
Similar high schools statewide
Matched by enrollment size and by staffing ratio across all of California, not just this city - a different peer set than the local comparisons above.
Next steps
Verify locally before acting on Horizon High's federal record.
- Compare Horizon High against another school. Compare schools
- Riverdale Joint Unified'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 Horizon High
How many students attend Horizon High?
Horizon High has 7 students enrolled. It is a high school in Riverdale, CA.
What percentage of students receive free lunch at Horizon High?
70.6% of students at Horizon High are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Horizon High?
The largest demographic group at Horizon High is Hispanic or Latino at 85.7% of enrollment, in Riverdale, CA.
What is the Resource Investment Index for Horizon High?
Horizon High has a Resource Investment Index of 20/100 (lower reported resources relative to schools nationally) based on 2 factors: student-teacher ratio. Not a test-score or academic measure (national median ~41/100, see methodology). Limited indicators were available, so the index reflects partial data.
How does Horizon High rank among public schools in Riverdale?
By Resource Investment Index, Horizon High ranks #2 of 5 public schools in Riverdale, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Riverdale on the city page.
Is Horizon High a good school?
Horizon High earns 20/100 on the Resource Investment Index on federal resource data. It is also one of the smallest schools in California. 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 Riverdale Joint Unified?
Besides Horizon High, Riverdale Joint Unified also operates Riverdale Elementary (507 students), Riverdale High (496 students), and Fipps Primary (394 students). See the Riverdale Joint Unified 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.