Enrollment
506
California · 2024-25 NCES data
Elementary school (grades K-5) · Rocklin, CA
Federal NCES profile for Twin Oaks Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 39/100.
The verdict
Twin Oaks Elementary earns 39/100 on the Resource Investment Index, with class sizes larger than 72% of California schools. It is also more racially and ethnically mixed than most California schools.
Twin Oaks Elementary has class sizes larger than 72% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Twin Oaks Elementary ranks #11 of 16 elementary schools in Rocklin, CA.
NCES ID 060001308256 Verify on NCES CCD record →
Enrollment
506
California · 2024-25 NCES data
Teachers (FTE)
21.0
Federal CCD staff survey
Students per teacher
24.1:1
vs 21.5:1 California avg
+12% vs state
Free-lunch eligible
25.7%
vs 55.5% California avg
-54% vs state
How Twin Oaks Elementary compares with California and U.S. medians
Slightly above state median
24.1:1 - 2.6 above the California state median of 21.5:1, indicating larger average class loads than typical schools in the state.
Twin Oaks Elementary is a mid-sized elementary school in Rocklin, California, enrolling 506 students.
Class loads run somewhat heavier than typical: 24.1:1 puts it in the larger third of California schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 25.7% of students eligible for free meals.
With 506 students, its enrollment sits close to the California median campus size.
Its Resource Investment Index lands in the upper third of 9,998 scored California schools.
Against 1,299 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #351.
Its student body is led by White (46%) and Hispanic or Latino (23%), more mixed than most schools in the state (diversity index 70/100).
Attendance runs somewhat below the norm, with 22.3% of students chronically absent per the 2021-22 civil-rights collection.
Among Rocklin's elementary schools, it stands alongside Rocklin Academy Gateway (1,093 students): Twin Oaks Elementary is smaller than that campus by headcount and runs heavier classes (24.1:1 vs 21.9:1).
Rocklin Unified also operates Whitney High (2,041 students) and Rocklin High (1,936 students) alongside Twin Oaks 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
Twin Oaks 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 | 24.1:1 | ▲ 12% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 25.7% | ▼ 54% | 55.5% | 51.7% |
| Enrollment | 506 | top 44% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
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.
Largest group: White at 45.5% of enrollment.
Simpson diversity index - at 69.6, Twin Oaks Elementary is more mixed than the California school average of 46.0.
District-wide per-pupil expenditure for Rocklin Unified, which includes Twin Oaks Elementary.
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.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Whitney High | Larger | Lower economic need | Lower S:T ratio |
| Rocklin High | Larger | Lower economic need | Lower S:T ratio |
| Granite Oaks Middle | Larger | Lower economic need | Lower S:T ratio |
| Spring View Middle | Larger | Similar economic need | Lower S:T ratio |
| Quarry Trail Elementary | Larger | Lower economic need | Higher S:T ratio |
Comparisons are relative to Twin Oaks Elementary's own figures; each column derives from NCES Common Core of Data.
6 comparable elementary schools (grades K-5) serving the same city.
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 Twin Oaks Elementary's federal record.
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.
Twin Oaks Elementary has 506 students enrolled. It is an elementary school in Rocklin, CA.
The student-teacher ratio at Twin Oaks Elementary is 24.1:1, which is 12% higher than the California average of 21.5:1 and 54% higher than the national average of 15.7:1.
25.7% of students at Twin Oaks Elementary are eligible for free lunch, compared to the California average of 55.5%.
The largest demographic group at Twin Oaks Elementary is White at 45.5% of enrollment, in Rocklin, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 69.6/100.
Twin Oaks Elementary has a Resource Investment Index of 39/100 (typical reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Twin Oaks Elementary ranks #11 of 16 elementary schools in Rocklin, 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 Rocklin on the city page.
Twin Oaks Elementary earns 39/100 on the Resource Investment Index, with class sizes larger than 72% of California schools. 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.
Besides Twin Oaks Elementary, Rocklin Unified also operates Whitney High (2,041 students), Rocklin High (1,936 students), and Granite Oaks Middle (979 students). See the Rocklin Unified district page for the complete list.
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.
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PlainSchools, “Twin Oaks Elementary, Rocklin CA.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/twin-oaks-elementary-ca
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