Enrollment
597
California · 2024-25 NCES data
Elementary school (grades K-5) · Somis, CA
Mesa Elementary
Federal NCES profile for Mesa Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 48/100.
2024-25 NCES dataElementary school (grades K-5)NCES 062472003705
👥 S:T ratio 12
🌟 Gifted program 70
📋 Attendance 62
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Mesa Elementary earns 48/100 on the Resource Investment Index, with class sizes near the California median.
- 48
- Resource Index · Typical
- 22.1:1
- students per teacher
- 32.4%
- free-lunch eligible
- 597
- students enrolled
Mesa Elementary has class sizes near the California median. Computed live against every California school reporting to NCES.
School address
District: Mesa Union Elementary · California
NCES ID 062472003705 Verify on NCES CCD record →
Teachers (FTE)
27.0
Federal CCD staff survey
Students per teacher
22.1:1
vs 21.5:1 California avg
+3% vs state
Free-lunch eligible
32.4%
vs 55.5% California avg
-42% vs state
Student-teacher ratio in context
How Mesa Elementary compares with California and U.S. medians
What stands out at Mesa Elementary
Mesa Elementary is a mid-sized elementary school in Somis, California, enrolling 597 students.
At 22.1:1, 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.
Economic need runs somewhat below the state's typical profile, with 32.4% of students eligible for free meals.
Enrollment of 597 puts it in the larger third of California schools by headcount.
Its Resource Investment Index outscores 91% of the 9,998 California schools with a score on record, a top-tier result on this measure.
Among 1,414 similarly sized, similarly resourced-need California schools statewide, it ranks #64, a top-tier result once campus size and economic need are matched.
Its student body is predominantly Hispanic or Latino (81% of enrollment) (diversity index 33/100).
15.2% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
The surrounding Mesa Union Elementary spends $13,108 per pupil, 21% below the California average, a leaner-resourced district than most.
Among Somis's elementary schools, it stands alongside Somis Elementary (270 students): Mesa Elementary is larger than that campus by headcount and runs heavier classes (22.1:1 vs 20.8:1).
Mesa Union Elementary operates only this one school, so Mesa Elementary has no district-mates to compare against locally.
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 Mesa Elementary compares
Mesa 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 | 22.1:1 | ▲ 3% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 32.4% | ▼ 42% | 55.5% | 51.7% |
| Enrollment | 597 | top 33% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
22.1:1
Leaner classes than 10% of US schools, heavier class loads than most.
597
Bigger than 72% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
32.4%
free-lunch eligible
- 42% below the California average of 55.5%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
22.1:1
students per teacher
- 3% above state mean
Top 54% in California - lower ratio than 46% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
15.2%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$13,108
per pupil, district-wide
- below California avg of $16,509
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
5
in-school suspensions + 15 out-of-school
Suspension rate: 0.8 per 100 students. Combined in-school and out-of-school rate: 3.4 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 81.2%
White 11.9%
Two or More 3.2%
Asian 2.8%
African American 0.7%
American Indian / Alaska Native 0.2%
Largest group: Hispanic or Latino at 81.2% of enrollment.
Student-body diversity index 32.5/100
Simpson diversity index - at 32.5, Mesa Elementary is less mixed than the California school average of 46.0.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Mesa Union Elementary, which includes Mesa Elementary.
$13,108
Per student
-21%
vs California
Avg $16,509
-21%
vs U.S.
Avg $16,593
Revenue mix
Local 41.8%
State 47.2%
Federal 11.0%
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.
Similar elementary schools in Somis
1 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.
Similar enrollment (~597 students)
Similar student-teacher ratio (~22.1:1)
Next steps
Verify locally before acting on Mesa Elementary's federal record.
- Compare Mesa Elementary against another school. Compare schools
- Mesa Union Elementary's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
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 Mesa Elementary
How many students attend Mesa Elementary?
Mesa Elementary has 597 students enrolled. It is an elementary school in Somis, CA.
What is the student-teacher ratio at Mesa Elementary?
The student-teacher ratio at Mesa Elementary is 22.1:1, which is 3% higher than the California average of 21.5:1 and 41% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Mesa Elementary?
32.4% of students at Mesa Elementary are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Mesa Elementary?
The largest demographic group at Mesa Elementary is Hispanic or Latino at 81.2% of enrollment, in Somis, CA.
What is the Resource Investment Index for Mesa Elementary?
Mesa Elementary has a Resource Investment Index of 48/100 (typical 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).
Is Mesa Elementary a good school?
Mesa Elementary earns 48/100 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.
What other schools are in Mesa Union Elementary?
None reported; Mesa Union Elementary operates only Mesa Elementary as a public school district in NCES's records.
Related tools
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.