Enrollment
46
California · 2024-25 NCES data
Elementary school (grades K-5) · Oroville, CA
Siskiyou Avenue Elementary
Federal NCES profile for Siskiyou Avenue Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 8/100.
2024-25 NCES dataElementary school (grades K-5)NCES 063918014602
👥 S:T ratio 8
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Siskiyou Avenue Elementary earns 8/100 on the Resource Investment Index, with class sizes near the California median. It is also more racially and ethnically mixed than most California schools.
- #14 of 15
- elementary schools in Oroville · Resource Index
- 8
- Resource Index · Lower
- 23:1
- students per teacher
- 81.3%
- free-lunch eligible
Siskiyou Avenue Elementary has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, Siskiyou Avenue Elementary ranks #14 of 15 elementary schools in Oroville, CA.
School address
District: Thermalito Union Elementary · California
NCES ID 063918014602 Verify on NCES CCD record →
Teachers (FTE)
2.0
Federal CCD staff survey
Students per teacher
23:1
vs 21.5:1 California avg
+7% vs state
Free-lunch eligible
81.3%
vs 55.5% California avg
+46% vs state
Student-teacher ratio in context
How Siskiyou Avenue Elementary compares with California and U.S. medians
What stands out at Siskiyou Avenue Elementary
Siskiyou Avenue Elementary is a high-poverty, small elementary school in Oroville, California, enrolling 46 students.
Class loads run somewhat heavier than typical: 23:1 puts it in the larger third of California schools by student-teacher ratio.
Economic need runs somewhat above the state's typical profile, with 81.3% of students eligible for free meals.
This is a small campus: fewer students than 94% of California schools, with 46 enrolled.
Its Resource Investment Index trails 99% of the 9,998 California schools with a score on record, one of the lower results on this measure.
Among 133 similarly sized, similarly resourced-need California schools statewide, it ranks #133, in the lower tier once campus size and economic need are matched.
Its student body is led by White (44%) and Hispanic or Latino (24%), more mixed than most schools in the state (diversity index 71/100).
Its district draws 23.2% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Among Oroville's elementary schools, it stands alongside Helen M. Wilcox Elementary (592 students): Siskiyou Avenue Elementary is smaller than that campus by headcount and runs leaner classes (23:1 vs 24.7:1).
Thermalito Union Elementary also operates Nelson Avenue Middle (456 students) and Sierra Avenue Elementary (365 students) alongside Siskiyou Avenue Elementary.
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 Siskiyou Avenue Elementary compares
Siskiyou Avenue Elementary on the metrics families compare, against California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 23:1 | ▲ 7% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 81.3% | ▲ 46% | 55.5% | 51.7% |
| Enrollment | 46 | top 94% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
23:1
Leaner classes than 8% of US schools, heavier class loads than most.
46
Bigger than 5% of US schools by enrollment, a small campus.
Equity indicators (what these measure)
Economic need
81.3%
free-lunch eligible
- 46% above the California average of 55.5%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
23:1
students per teacher
- 7% above state mean
Top 62% in California - lower ratio than 38% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Funding equity
$16,669
per pupil, district-wide
- above California avg of $16,509
Close to the U.S. public-school average per-pupil spend.
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 43.5%
Hispanic or Latino 23.9%
Asian 19.6%
Two or More 8.7%
African American 2.2%
American Indian / Alaska Native 2.2%
Largest group: White at 43.5% of enrollment.
Student-body diversity index 70.7/100
Simpson diversity index - at 70.7, Siskiyou Avenue Elementary is more mixed than the California school average of 46.0.
Funding & spending
District-wide per-pupil expenditure for Thermalito Union Elementary, which includes Siskiyou Avenue Elementary.
$16,669
Per student
+1%
vs California
Avg $16,509
+0%
vs U.S.
Avg $16,593
Revenue mix
Local 12.7%
State 64.1%
Federal 23.2%
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 Siskiyou Avenue Elementary Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Nelson Avenue Middle | Larger | Similar economic need | Lower S:T ratio |
| Sierra Avenue Elementary | Larger | Similar economic need | Lower S:T ratio |
| Plumas Avenue Elementary | Larger | Similar economic need | Higher S:T ratio |
| Poplar Avenue Elementary | Larger | Lower economic need | Higher S:T ratio |
| Heritage Community Day | Smaller | No free-lunch data | No ratio data |
Comparisons are relative to Siskiyou Avenue Elementary's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 456
- Students per teacher
- 20.7:1
- Resource Index
- 27/100
- Enrollment
- 365
- Students per teacher
- 21.5:1
- Resource Index
- 18/100
- Enrollment
- 322
- Students per teacher
- 24.8:1
- Resource Index
- 22/100
- Enrollment
- 321
- Students per teacher
- 29.2:1
- Resource Index
- 23/100
- Enrollment
- 5
- Students per teacher
- -
- Resource Index
- 63/100
Similar elementary schools in Oroville
6 comparable elementary schools (grades K-5) serving the same city.
Helen M. Wilcox Elementary
Standard public school
592 students 24.7:1 students per teacher
Stream Charter
Standard public school
515 students 30.3:1 students per teacher
Ophir Elementary
Standard public school
452 students 22.6:1 students per teacher
Stanford Avenue Elementary
Standard public school
403 students 21.2:1 students per teacher
Sierra Avenue Elementary
Standard public school
365 students 21.5:1 students per teacher
Plumas Avenue Elementary
Standard public school
322 students 24.8:1 students per teacher
Similar elementary 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.
Similar enrollment (~46 students)
Similar student-teacher ratio (~23:1)
Next steps
Verify locally before acting on Siskiyou Avenue Elementary's federal record.
- Compare Siskiyou Avenue Elementary against another school. Compare schools
- Thermalito Union Elementary'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 Siskiyou Avenue Elementary
How many students attend Siskiyou Avenue Elementary?
Siskiyou Avenue Elementary has 46 students enrolled. It is an elementary school in Oroville, CA.
What is the student-teacher ratio at Siskiyou Avenue Elementary?
The student-teacher ratio at Siskiyou Avenue Elementary is 23:1, which is 7% higher than the California average of 21.5:1 and 46% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Siskiyou Avenue Elementary?
81.3% of students at Siskiyou Avenue Elementary are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Siskiyou Avenue Elementary?
The largest demographic group at Siskiyou Avenue Elementary is White at 43.5% of enrollment, in Oroville, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 70.7/100.
What is the Resource Investment Index for Siskiyou Avenue Elementary?
Siskiyou Avenue Elementary has a Resource Investment Index of 8/100 (lower reported resources relative to schools nationally) based on 1 factor: 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 Siskiyou Avenue Elementary rank among elementary schools in Oroville?
By Resource Investment Index, Siskiyou Avenue Elementary ranks #14 of 15 elementary schools in Oroville, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Oroville on the city page.
Is Siskiyou Avenue Elementary a good school?
Siskiyou Avenue Elementary earns 8/100 on the Resource Investment Index, with class sizes near the California median. It is also more racially and ethnically mixed than most California 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 Thermalito Union Elementary?
Besides Siskiyou Avenue Elementary, Thermalito Union Elementary also operates Nelson Avenue Middle (456 students), Sierra Avenue Elementary (365 students), and Plumas Avenue Elementary (322 students). See the Thermalito Union Elementary 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.