Enrollment
343
California · 2024-25 NCES data
Elementary school (grades K-5) · Oakland, CA
Federal NCES profile for Urban Montessori Charter, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 15/100.
The verdict
Urban Montessori Charter earns 15/100 on the Resource Investment Index, with class sizes larger than 99% of California schools. It is also more racially and ethnically mixed than most California schools.
Urban Montessori Charter has class sizes larger than 99% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Urban Montessori Charter ranks #39 of 67 elementary schools in Oakland, CA.
NCES ID 060181613008 Verify on NCES CCD record →
Enrollment
343
California · 2024-25 NCES data
Teachers (FTE)
6.0
Federal CCD staff survey
Students per teacher
57.2:1
vs 21.5:1 California avg
+166% vs state
Free-lunch eligible
23.8%
vs 55.5% California avg
-57% vs state
How Urban Montessori Charter compares with California and U.S. medians
Urban Montessori Charter is a mid-sized charter elementary school in Oakland, California, enrolling 343 students.
Class loads run heavy: 57.2:1 is larger than about 99% of California schools and 166% above the 21.5:1 state mean, so each teacher carries more students than is typical.
Comparatively few students face economic hardship here, 23.8% free-meal eligibility runs 57% below the California average.
Enrollment of 343 puts it in the smaller third of California schools by headcount.
Its Resource Investment Index trails 91% of the 9,998 California schools with a score on record, one of the lower results on this measure.
Among 768 similarly sized, similarly resourced-need California schools statewide, it ranks #741, in the lower tier once campus size and economic need are matched.
Its student body is led by Hispanic or Latino (33%) and White (27%), more mixed than most schools in the state (diversity index 76/100).
Counselor availability sits well past the ASCA benchmark, roughly 343 students sharing each counselor, though short of the most stretched campuses.
Chronic absenteeism is elevated: 40.8% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Urban Montessori Charter District spends $12,593 per pupil, 24% below the California average, a leaner-resourced district than most.
Among Oakland's elementary schools, it stands alongside Yu Ming Charter (959 students): Urban Montessori Charter is smaller than that campus by headcount and runs heavier classes (57.2:1 vs 24:1).
Urban Montessori Charter District is a single-school charter district, so Urban Montessori Charter 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
Urban Montessori Charter on the metrics families compare, against California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 57.2:1 | ▲ 166% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 23.8% | ▼ 57% | 55.5% | 51.7% |
| Enrollment | 343 | top 69% | - | - |
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 32.6% of enrollment.
Simpson diversity index - at 76.0, Urban Montessori Charter is more mixed than the California school average of 46.0.
District-wide per-pupil expenditure for Urban Montessori Charter District, which includes Urban Montessori Charter.
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.
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 Urban Montessori Charter'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.
Urban Montessori Charter has 343 students enrolled. It is an elementary school in Oakland, CA.
The student-teacher ratio at Urban Montessori Charter is 57.2:1, which is 166% higher than the California average of 21.5:1 and 264% higher than the national average of 15.7:1.
23.8% of students at Urban Montessori Charter are eligible for free lunch, compared to the California average of 55.5%.
The largest demographic group at Urban Montessori Charter is Hispanic or Latino at 32.6% of enrollment, in Oakland, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 76.0/100.
Urban Montessori Charter has a Resource Investment Index of 15/100 (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, Urban Montessori Charter ranks #39 of 67 elementary schools in Oakland, 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 Oakland on the city page.
Urban Montessori Charter earns 15/100 on the Resource Investment Index, with class sizes larger than 99% 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; Urban Montessori Charter District is a single-school charter district, and Urban Montessori Charter 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.