Enrollment
643
California · 2024-25 NCES data
Other / mixed grade configuration · Hayward, CA
Federal NCES profile for Hayward Twin Oaks Montessori, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 20/100.
The verdict
Hayward Twin Oaks Montessori earns 20/100 on the Resource Investment Index, with class sizes larger than 89% of California schools. It is also more racially and ethnically mixed than most California schools.
Hayward Twin Oaks Montessori has class sizes larger than 89% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Hayward Twin Oaks Montessori ranks #2 of 4 schools in Hayward, CA.
NCES ID 060223813531 Verify on NCES CCD record →
Enrollment
643
California · 2024-25 NCES data
Teachers (FTE)
24.0
Federal CCD staff survey
Students per teacher
26.8:1
vs 21.5:1 California avg
+25% vs state
Free-lunch eligible
25.3%
vs 55.5% California avg
-54% vs state
How Hayward Twin Oaks Montessori compares with California and U.S. medians
Hayward Twin Oaks Montessori is a mid-sized charter combined-grade school in Hayward, California, enrolling 643 students.
Class loads run heavy: 26.8:1 is larger than about 89% of California schools and 25% above the 21.5:1 state mean, so each teacher carries more students than is typical.
Economic need runs somewhat below the state's typical profile, with 25.3% of students eligible for free meals.
Enrollment of 643 puts it in the larger third of California schools by headcount.
Its Resource Investment Index lands in the lower third of 9,998 scored California schools.
Among 1,368 similarly sized, similarly resourced-need California schools statewide, it ranks #1,234, in the lower tier once campus size and economic need are matched.
Its student body is led by Hispanic or Latino (46%) and Two or More (20%), more mixed than most schools in the state (diversity index 70/100).
Counselor access is stretched at roughly 643 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Attendance runs somewhat below the norm, with 20.2% of students chronically absent per the 2021-22 civil-rights collection.
Its district draws 22.6% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Among Hayward's public schools, it stands alongside Impact Academy of Arts & Technology (716 students): Hayward Twin Oaks Montessori is smaller than that campus by headcount and runs heavier classes (26.8:1 vs 25.6:1).
Silver Oak High Public Montessori Charter District is a single-school charter district, so Hayward Twin Oaks Montessori operates independently rather than alongside district-mates.
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
Hayward Twin Oaks Montessori on the metrics families compare, against California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 26.8:1 | ▲ 25% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 25.3% | ▼ 54% | 55.5% | 51.7% |
| Enrollment | 643 | top 28% | - | - |
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: Hispanic or Latino at 46.3% of enrollment.
Simpson diversity index - at 70.1, Hayward Twin Oaks Montessori is more mixed than the California school average of 46.0.
District-wide per-pupil expenditure for Silver Oak High Public Montessori Charter District, which includes Hayward Twin Oaks Montessori.
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.
3 comparable other schools (grades Mixed) 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 Hayward Twin Oaks Montessori'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.
Hayward Twin Oaks Montessori has 643 students enrolled. It is a public school in Hayward, CA.
The student-teacher ratio at Hayward Twin Oaks Montessori is 26.8:1, which is 25% higher than the California average of 21.5:1 and 71% higher than the national average of 15.7:1.
25.3% of students at Hayward Twin Oaks Montessori are eligible for free lunch, compared to the California average of 55.5%.
The largest demographic group at Hayward Twin Oaks Montessori is Hispanic or Latino at 46.3% of enrollment, in Hayward, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 70.1/100.
Hayward Twin Oaks Montessori has a Resource Investment Index of 20/100 (lower 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).
By Resource Investment Index, Hayward Twin Oaks Montessori ranks #2 of 4 schools in Hayward, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Hayward on the city page.
Hayward Twin Oaks Montessori earns 20/100 on the Resource Investment Index, with class sizes larger than 89% 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.
None; Silver Oak High Public Montessori Charter District is a single-school charter district, and Hayward Twin Oaks Montessori is its only campus.
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.