Enrollment
783
California · 2024-25 NCES data
Elementary school (grades K-5) · South Pasadena, CA
Federal NCES profile for Marengo Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 39/100.
The verdict
Marengo Elementary earns 39/100 on the Resource Investment Index, with class sizes larger than 93% of California schools. It is also more racially and ethnically mixed than most California schools.
Marengo Elementary has class sizes larger than 93% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Marengo Elementary ranks #2 of 3 elementary schools in South Pasadena, CA.
NCES ID 063750006333 Verify on NCES CCD record →
Enrollment
783
California · 2024-25 NCES data
Teachers (FTE)
28.0
Federal CCD staff survey
Students per teacher
28:1
vs 21.5:1 California avg
+30% vs state
Free-lunch eligible
13.9%
vs 55.5% California avg
-75% vs state
How Marengo Elementary compares with California and U.S. medians
Larger classes than state median
28:1 - 6.5 above the California state median of 21.5:1, indicating larger average class loads than typical schools in the state.
Marengo Elementary is a lower-poverty, mid-sized elementary school in South Pasadena, California, enrolling 783 students.
Class loads run heavy: 28:1 is larger than about 93% of California schools and 30% above the 21.5:1 state mean, so each teacher carries more students than is typical.
Comparatively few students face economic hardship here, 13.9% free-meal eligibility runs 75% below the California average.
Enrollment of 783 puts it in the larger third of California schools by headcount.
Its Resource Investment Index lands in the upper third of 9,998 scored California schools.
Against 937 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #328.
Its student body is led by Asian (46%) and Two or More (21%), more mixed than most schools in the state (diversity index 69/100).
Counselor access is stretched at roughly 1566 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Attendance holds up well here: only 5.6% of students were chronically absent, below the typical post-pandemic national figure.
Among South Pasadena's elementary schools, it stands alongside Arroyo Vista Elementary (667 students): Marengo Elementary is larger than that campus by headcount and runs heavier classes (28:1 vs 23:1).
South Pasadena Unified also operates South Pasadena Senior High (1,536 students) and South Pasadena Middle (1,096 students) alongside Marengo 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
Marengo 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 | 28:1 | ▲ 30% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 13.9% | ▼ 75% | 55.5% | 51.7% |
| Enrollment | 783 | top 18% | - | - |
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: Asian at 45.5% of enrollment.
Simpson diversity index - at 69.4, Marengo Elementary is more mixed than the California school average of 46.0.
District-wide per-pupil expenditure for South Pasadena Unified, which includes Marengo 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 |
|---|---|---|---|
| South Pasadena Senior High | Larger | Similar economic need | Lower S:T ratio |
| South Pasadena Middle | Larger | Similar economic need | Lower S:T ratio |
| Arroyo Vista Elementary | Similar size | Similar economic need | Lower S:T ratio |
| Monterey Hills Elementary | Smaller | Similar economic need | Lower S:T ratio |
Comparisons are relative to Marengo Elementary's own figures; each column derives from NCES Common Core of Data.
2 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 Marengo 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.
Marengo Elementary has 783 students enrolled. It is an elementary school in South Pasadena, CA.
The student-teacher ratio at Marengo Elementary is 28:1, which is 30% higher than the California average of 21.5:1 and 78% higher than the national average of 15.7:1.
13.9% of students at Marengo Elementary are eligible for free lunch, compared to the California average of 55.5%.
The largest demographic group at Marengo Elementary is Asian at 45.5% of enrollment, in South Pasadena, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 69.4/100.
Marengo Elementary has a Resource Investment Index of 39/100 (typical 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, Marengo Elementary ranks #2 of 3 elementary schools in South Pasadena, 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 South Pasadena on the city page.
Marengo Elementary earns 39/100 on the Resource Investment Index, with class sizes larger than 93% 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 Marengo Elementary, South Pasadena Unified also operates South Pasadena Senior High (1,536 students), South Pasadena Middle (1,096 students), and Arroyo Vista Elementary (667 students). See the South Pasadena 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.
Published by
PlainSchools Editorial
Independent public-data reference that compiles, verifies, and contextualizes official datasets. We do not accept compensation from entities we cover, and every dataset cites its originating public source.
Last updated:
PlainSchools, “Marengo Elementary, South Pasadena 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/marengo-elementary-ca
You are welcome to quote these figures with attribution to PlainSchools and the underlying source. The URL above is stable.