Enrollment
820
California · 2024-25 NCES data
Elementary school (grades K-5) · Oceanside, CA
Federal NCES profile for Mary Fay Pendleton Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 25/100.
The verdict
Mary Fay Pendleton Elementary earns 25/100 on the Resource Investment Index, with class sizes near the California median. It is also more racially and ethnically mixed than most California schools.
Mary Fay Pendleton Elementary has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, Mary Fay Pendleton Elementary ranks #2 of 23 elementary schools in Oceanside, CA.
NCES ID 061350001543 Verify on NCES CCD record →
Enrollment
820
California · 2024-25 NCES data
Teachers (FTE)
38.0
Federal CCD staff survey
Students per teacher
21.6:1
vs 21.5:1 California avg
+0% vs state
Free-lunch eligible
17.3%
vs 55.5% California avg
-69% vs state
How Mary Fay Pendleton Elementary compares with California and U.S. medians
Slightly above state median
21.6:1 - 0.1 above the California state median of 21.5:1, indicating larger average class loads than typical schools in the state.
Mary Fay Pendleton Elementary is a lower-poverty, mid-sized elementary school in Oceanside, California, enrolling 820 students.
At 21.6:1, its student-teacher ratio sits close to the California median, within a few percentage points of the 21.5:1 state norm, neither notably crowded nor notably small.
Comparatively few students face economic hardship here, 17.3% free-meal eligibility runs 69% below the California average.
Enrollment of 820 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 999 similarly sized, similarly resourced-need California schools statewide, it ranks #833, in the lower tier once campus size and economic need are matched.
Its student body is led by White (44%) and Hispanic or Latino (34%), more mixed than most schools in the state (diversity index 67/100).
Counselor access is stretched at roughly 820 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 33.3% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Its district draws 28.2% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Among Oceanside's elementary schools, it stands alongside North Terrace Elementary (771 students): Mary Fay Pendleton Elementary is larger than that campus by headcount and runs leaner classes (21.6:1 vs 24.9:1).
Fallbrook Union Elementary also operates James E. Potter Intermediate (828 students) and Live Oak Elementary (717 students) alongside Mary Fay Pendleton 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
Mary Fay Pendleton 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 | 21.6:1 | ▲ 0% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 17.3% | ▼ 69% | 55.5% | 51.7% |
| Enrollment | 820 | top 17% | - | - |
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 44.3% of enrollment.
Simpson diversity index - at 66.7, Mary Fay Pendleton Elementary is more mixed than the California school average of 46.0.
District-wide per-pupil expenditure for Fallbrook Union Elementary, which includes Mary Fay Pendleton 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 |
|---|---|---|---|
| James E. Potter Intermediate | Similar size | Higher economic need | Similar S:T ratio |
| Live Oak Elementary | Similar size | Higher economic need | Higher S:T ratio |
| Fallbrook Stem Academy | Smaller | Higher economic need | Similar S:T ratio |
| Maie Ellis Elementary | Smaller | Higher economic need | Similar S:T ratio |
| William H. Frazier Elementary | Smaller | Higher economic need | Lower S:T ratio |
Comparisons are relative to Mary Fay Pendleton 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 Mary Fay Pendleton 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.
Mary Fay Pendleton Elementary has 820 students enrolled. It is an elementary school in Oceanside, CA.
The student-teacher ratio at Mary Fay Pendleton Elementary is 21.6:1, which is 0% higher than the California average of 21.5:1 and 38% higher than the national average of 15.7:1.
17.3% of students at Mary Fay Pendleton Elementary are eligible for free lunch, compared to the California average of 55.5%.
The largest demographic group at Mary Fay Pendleton Elementary is White at 44.3% of enrollment, in Oceanside, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 66.7/100.
Mary Fay Pendleton Elementary has a Resource Investment Index of 25/100 (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, Mary Fay Pendleton Elementary ranks #2 of 23 elementary schools in Oceanside, 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 Oceanside on the city page.
Mary Fay Pendleton Elementary earns 25/100 on the Resource Investment Index, with class sizes near the California median. 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 Mary Fay Pendleton Elementary, Fallbrook Union Elementary also operates James E. Potter Intermediate (828 students), Live Oak Elementary (717 students), and Fallbrook Stem Academy (600 students). See the Fallbrook Union Elementary 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, “Mary Fay Pendleton Elementary, Oceanside 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/mary-fay-pendleton-elementary-ca
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