Elementary school (grades K-5) · Oceanside, CA

Mission Elementary

Federal NCES profile for Mission Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 12/100.

2024-25 NCES dataElementary school (grades K-5)NCES 062825004365
0/100100/10012/100
👥 S:T ratio
2
🌟 Gifted program
30
🎓 Counselors
16
📋 Attendance
0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →

The verdict

Mission Elementary earns 12/100 on the Resource Investment Index, with class sizes larger than 76% of California schools.

#10 of 23
elementary schools in Oceanside · Resource Index
12
Resource Index · Lower
24.6:1
large classes for California
82.2%
free-lunch eligible

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.

School address

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

Student-teacher ratio in context

How Mission Elementary compares with California and U.S. medians

Larger classes than state median

Source: NCES Common Core of Data As of 2024-25 federal staff survey Total enrollment ÷ full-time-equivalent classroom teachers

What stands out at Mission Elementary

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

How Mission Elementary compares

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

24.6:1
Leaner classes than 6% of US schools, heavier class loads than most.
419
Bigger than 50% of US schools by enrollment, mid-sized for the country.

Equity indicators (what these measure)

Economic need
82.2%
free-lunch eligible - 48% above the California average of 55.5%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
24.6:1
students per teacher - 14% above state mean
Top 76% in California - lower ratio than 24% of state schools
Well above 20:1, one of the more stretched staffing loads nationally relative to enrollment.
Engagement
43.2%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$16,024
per pupil, district-wide - below California avg of $16,509
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors1.0 FTE
Per 419 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 3 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.7 per 100 students. Reported via the Civil Rights Data Collection.

Overview

  • Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
  • Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
  • F-33 School District Finance Survey: the district-wide per-pupil spending figures below.

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.

Student demographics

Hispanic or Latino 86.6%
White 7.4%
Two or More 2.6%
African American 1.4%
Asian 1.4%
Native Hawaiian / Pacific Islander 0.5%

Largest group: Hispanic or Latino at 86.6% of enrollment.

Student-body diversity index 24.3/100

Simpson diversity index - at 24.3, Mission Elementary is less mixed than the California school average of 46.0.

Programs

Funding & spending

District-wide per-pupil expenditure for Oceanside Unified, which includes Mission Elementary.

$16,024
Per student
-3%
vs California
Avg $16,509
-3%
vs U.S.
Avg $16,593
Revenue mix
Local 37.4%
State 48.8%
Federal 13.8%

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.

How Mission Elementary Compares to District-Mates

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.

Other Schools in This District

Oceanside Unified · 5 sibling schools

View district profile

Similar elementary schools in Oceanside

6 comparable elementary schools (grades K-5) serving the same city.

Similar elementary schools statewide

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.

Frequently asked questions about Mission Elementary

How many students attend Mission Elementary?

Mission Elementary has 419 students enrolled. It is an elementary school in Oceanside, CA.

What is the student-teacher ratio at Mission Elementary?

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.

What percentage of students receive free lunch at Mission Elementary?

82.2% of students at Mission Elementary are eligible for free lunch, compared to the California average of 55.5%.

What is the racial and ethnic makeup of Mission Elementary?

The largest demographic group at Mission Elementary is Hispanic or Latino at 86.6% of enrollment, in Oceanside, CA.

What is the Resource Investment Index for Mission Elementary?

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).

How does Mission Elementary rank among elementary schools in Oceanside?

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.

Is Mission Elementary a good school?

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.

What other schools are in Oceanside Unified?

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.

Source: National Center for Education Statistics (NCES) CCD + Public School Universe (2024-25), CRDC (2021-22), F-33 District Finance Survey (FY 2021-22) · 2024-25 Data as of the 2024-25 school year. Coverage from U.S. Department of Education NCES Common Core of Data. Varies by entity type; administrative districts and certain charter networks may report only a subset of fields.

All federal data sources used on this page

Full source list and how we compute each figure: methodology page.

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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.