Enrollment
303
California · 2024-25 NCES data
Elementary school (grades K-5) · Manhattan Beach, CA
Federal NCES profile for Opal Robinson Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 51/100.
The verdict
Opal Robinson Elementary earns 51/100 on the Resource Investment Index, with class sizes near the California median.
Opal Robinson Elementary has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, Opal Robinson Elementary ranks #3 of 5 elementary schools in Manhattan Beach, CA.
NCES ID 060002505922 Verify on NCES CCD record →
Enrollment
303
California · 2024-25 NCES data
Teachers (FTE)
13.0
Federal CCD staff survey
Students per teacher
23.3:1
vs 21.5:1 California avg
+8% vs state
Free-lunch eligible
4.9%
vs 55.5% California avg
-91% vs state
How Opal Robinson Elementary compares with California and U.S. medians
Slightly above state median
23.3:1 - 1.8 above the California state median of 21.5:1, indicating larger average class loads than typical schools in the state.
Opal Robinson Elementary is a lower-poverty, mid-sized elementary school in Manhattan Beach, California, enrolling 303 students.
Class loads run somewhat heavier than typical: 23.3:1 puts it in the larger third of California schools by student-teacher ratio.
Comparatively few students face economic hardship here, 4.9% free-meal eligibility runs 91% below the California average.
Enrollment of 303 puts it in the smaller third of California schools by headcount.
Its Resource Investment Index outscores 93% of the 9,998 California schools with a score on record, a top-tier result on this measure.
Among 264 similarly sized, similarly resourced-need California schools statewide, it ranks #22, a top-tier result once campus size and economic need are matched.
Its student body is led by White (58%) and Two or More (16%) (diversity index 61/100).
Attendance holds up well here: only 9.6% of students were chronically absent, below the typical post-pandemic national figure.
Among Manhattan Beach's elementary schools, it stands alongside Grand View Elementary (550 students): Opal Robinson Elementary is smaller than that campus by headcount and runs leaner classes (23.3:1 vs 26.2:1).
Manhattan Beach Unified also operates Mira Costa High (2,473 students) and Manhattan Beach Middle (1,175 students) alongside Opal Robinson 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
Opal Robinson 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 | 23.3:1 | ▲ 8% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 4.9% | ▼ 91% | 55.5% | 51.7% |
| Enrollment | 303 | top 73% | - | - |
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 58.1% of enrollment.
Simpson diversity index - at 60.6, Opal Robinson Elementary is more mixed than the California school average of 46.0.
District-wide per-pupil expenditure for Manhattan Beach Unified, which includes Opal Robinson 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 |
|---|---|---|---|
| Mira Costa High | Larger | Similar economic need | Similar S:T ratio |
| Manhattan Beach Middle | Larger | Similar economic need | Lower S:T ratio |
| Grand View Elementary | Larger | Similar economic need | Higher S:T ratio |
| Pacific Elementary | Larger | Similar economic need | Similar S:T ratio |
| Aurelia Pennekamp Elementary | Larger | Similar economic need | Similar S:T ratio |
Comparisons are relative to Opal Robinson Elementary's own figures; each column derives from NCES Common Core of Data.
4 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 Opal Robinson 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.
Opal Robinson Elementary has 303 students enrolled. It is an elementary school in Manhattan Beach, CA.
The student-teacher ratio at Opal Robinson Elementary is 23.3:1, which is 8% higher than the California average of 21.5:1 and 48% higher than the national average of 15.7:1.
4.9% of students at Opal Robinson Elementary are eligible for free lunch, compared to the California average of 55.5%.
The largest demographic group at Opal Robinson Elementary is White at 58.1% of enrollment, in Manhattan Beach, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 60.6/100.
Opal Robinson Elementary has a Resource Investment Index of 51/100 (higher 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, Opal Robinson Elementary ranks #3 of 5 elementary schools in Manhattan Beach, 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 Manhattan Beach on the city page.
Opal Robinson Elementary earns 51/100 on the Resource Investment Index, with class sizes near the California median. 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 Opal Robinson Elementary, Manhattan Beach Unified also operates Mira Costa High (2,473 students), Manhattan Beach Middle (1,175 students), and Grand View Elementary (550 students). See the Manhattan Beach 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, “Opal Robinson Elementary, Manhattan Beach 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/opal-robinson-elementary-ca
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