Enrollment
419
California · 2024-25 NCES data
Elementary school (grades K-5) · Oceanside, CA
Federal NCES profile for Mission Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 12/100.
The verdict
Mission Elementary earns 12/100 on the Resource Investment Index, with class sizes larger than 76% of California schools.
Mission Elementary has class sizes larger than 76% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Mission Elementary ranks #10 of 23 elementary schools in Oceanside, CA.
NCES ID 062825004365 Verify on NCES CCD record →
Enrollment
419
California · 2024-25 NCES data
Teachers (FTE)
17.0
Federal CCD staff survey
Students per teacher
24.6:1
vs 21.5:1 California avg
+14% vs state
Free-lunch eligible
82.2%
vs 55.5% California avg
+48% vs state
How Mission Elementary compares with California and U.S. medians
Larger classes than state median
24.6:1 - 3.1 above the California state median of 21.5:1, indicating larger average class loads than typical schools in the state.
Mission Elementary is a high-poverty, mid-sized elementary school in Oceanside, California, enrolling 419 students.
Class loads run somewhat heavier than typical: 24.6:1 puts it in the larger third of California schools by student-teacher ratio.
Economic need runs somewhat above the state's typical profile, with 82.2% of students eligible for free meals.
With 419 students, its enrollment sits close to the California median campus size.
Its Resource Investment Index trails 95% of the 9,998 California schools with a score on record, one of the lower results on this measure.
Among 1,842 similarly sized, similarly resourced-need California schools statewide, it ranks #1,681, in the lower tier once campus size and economic need are matched.
Its student body is predominantly Hispanic or Latino (87% of enrollment) (diversity index 24/100).
Counselor access is stretched at roughly 419 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 43.2% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Among Oceanside's elementary schools, it stands alongside Mary Fay Pendleton Elementary (820 students): Mission Elementary is smaller than that campus by headcount and runs heavier classes (24.6:1 vs 21.6:1).
Oceanside Unified also operates El Camino High (2,463 students) and Oceanside High (1,948 students) alongside Mission 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
Mission 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 | 24.6:1 | ▲ 14% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 82.2% | ▲ 48% | 55.5% | 51.7% |
| Enrollment | 419 | top 58% | - | - |
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 86.6% of enrollment.
Simpson diversity index - at 24.3, Mission Elementary is less mixed than the California school average of 46.0.
District-wide per-pupil expenditure for Oceanside Unified, which includes Mission 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 |
|---|---|---|---|
| El Camino High | Larger | Lower economic need | Lower S:T ratio |
| Oceanside High | Larger | Lower economic need | Lower S:T ratio |
| Martin Luther King Jr. Middle | Larger | Lower economic need | Lower S:T ratio |
| North Terrace Elementary | Larger | Lower economic need | Similar S:T ratio |
| Louise Foussat Elementary | Larger | Lower economic need | Higher S:T ratio |
Comparisons are relative to Mission 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 Mission 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.
Mission Elementary has 419 students enrolled. It is an elementary school in Oceanside, CA.
The student-teacher ratio at Mission Elementary is 24.6:1, which is 14% higher than the California average of 21.5:1 and 57% higher than the national average of 15.7:1.
82.2% of students at Mission Elementary are eligible for free lunch, compared to the California average of 55.5%.
The largest demographic group at Mission Elementary is Hispanic or Latino at 86.6% of enrollment, in Oceanside, CA.
Mission Elementary has a Resource Investment Index of 12/100 (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, Mission Elementary ranks #10 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.
Mission Elementary earns 12/100 on the Resource Investment Index, with class sizes larger than 76% of 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 Mission Elementary, Oceanside Unified also operates El Camino High (2,463 students), Oceanside High (1,948 students), and Martin Luther King Jr. Middle (1,098 students). See the Oceanside 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, “Mission 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/mission-elementary-ca-3
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