Enrollment
533
California · 2024-25 NCES data
Elementary school (grades K-5) · Martinez, CA
John Swett Elementary
Federal NCES profile for John Swett Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 30/100.
2024-25 NCES dataElementary school (grades K-5)NCES 062403003614
👥 S:T ratio 18
🌟 Gifted program 30
🎓 Counselors 0
📋 Attendance 70
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
John Swett Elementary earns 30/100 on the Resource Investment Index, with class sizes near the California median.
- #1 of 5
- elementary schools in Martinez · Resource Index
- 30
- Resource Index · Lower
- 20.5:1
- students per teacher
- 18.8%
- free-lunch eligible
John Swett Elementary has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, John Swett Elementary ranks #1 of 5 elementary schools in Martinez, CA.
School address
District: Martinez Unified · California
NCES ID 062403003614 Verify on NCES CCD record →
Teachers (FTE)
26.0
Federal CCD staff survey
Students per teacher
20.5:1
vs 21.5:1 California avg
-5% vs state
Free-lunch eligible
18.8%
vs 55.5% California avg
-66% vs state
Student-teacher ratio in context
How John Swett Elementary compares with California and U.S. medians
What stands out at John Swett Elementary
John Swett Elementary is a lower-poverty, mid-sized elementary school in Martinez, California, enrolling 533 students.
Class sizes run a bit leaner than typical: 20.5:1 puts it in the smaller third of California schools by student-teacher ratio.
Comparatively few students face economic hardship here, 18.8% free-meal eligibility runs 66% below the California average.
With 533 students, its enrollment sits close to the California median campus size.
Its Resource Investment Index sits near the middle of the pack among 9,998 scored California schools.
Against 1,270 statewide peers matched on enrollment and economic need, it ranks mid-pack at #856.
Its student body is led by White (51%) and Hispanic or Latino (27%) (diversity index 64/100).
Counselor access is stretched at roughly 533 students per counselor, well above the ASCA-recommended 250:1 ceiling.
12.0% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
Among Martinez's elementary schools, it stands alongside Hidden Valley Elementary (831 students): John Swett Elementary is smaller than that campus by headcount and runs leaner classes (20.5:1 vs 27.7:1).
Martinez Unified also operates Alhambra Senior High (1,028 students) and Martinez Junior High (843 students) alongside John Swett 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 John Swett Elementary compares
John Swett 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 | 20.5:1 | ▼ 5% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 18.8% | ▼ 66% | 55.5% | 51.7% |
| Enrollment | 533 | top 41% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
20.5:1
Leaner classes than 14% of US schools, heavier class loads than most.
533
Bigger than 66% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
18.8%
free-lunch eligible
- 66% below the California average of 55.5%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
20.5:1
students per teacher
- 5% below state mean
Top 39% in California - lower ratio than 61% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
12.0%
chronically absent (missed 10%+ of school days)
In the 10-15% range, above the pre-pandemic national baseline but within the broader post-pandemic picture.
Funding equity
$14,299
per pupil, district-wide
- below California avg of $16,509
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors1.0 FTE
Per 533 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 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
White 51.2%
Hispanic or Latino 27.4%
Two or More 13.9%
Asian 6.0%
African American 0.9%
Native Hawaiian / Pacific Islander 0.4%
American Indian / Alaska Native 0.2%
Largest group: White at 51.2% of enrollment.
Student-body diversity index 64.0/100
Simpson diversity index - at 64.0, John Swett Elementary is more mixed than the California school average of 46.0.
Programs
Funding & spending
District-wide per-pupil expenditure for Martinez Unified, which includes John Swett Elementary.
$14,299
Per student
-13%
vs California
Avg $16,509
-14%
vs U.S.
Avg $16,593
Revenue mix
Local 55.8%
State 37.2%
Federal 7.0%
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.
How John Swett Elementary Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Alhambra Senior High | Larger | Similar economic need | Similar S:T ratio |
| Martinez Junior High | Larger | Higher economic need | Higher S:T ratio |
| Morello Park Elementary | Similar size | Similar economic need | Similar S:T ratio |
| John Muir Elementary | Similar size | Higher economic need | Higher S:T ratio |
| Las Juntas Elementary | Smaller | Higher economic need | Similar S:T ratio |
Comparisons are relative to John Swett Elementary's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,028
- Students per teacher
- 19.4:1
- Resource Index
- 32/100
- Enrollment
- 843
- Students per teacher
- 22.8:1
- Resource Index
- 22/100
- Enrollment
- 496
- Students per teacher
- 21.6:1
- Resource Index
- 25/100
- Enrollment
- 423
- Students per teacher
- 23.5:1
- Resource Index
- 14/100
- Enrollment
- 353
- Students per teacher
- 20.8:1
- Resource Index
- 26/100
Similar elementary schools in Martinez
4 comparable elementary schools (grades K-5) serving the same city.
Hidden Valley Elementary
Standard public school
831 students 27.7:1 students per teacher
Morello Park Elementary
Standard public school
496 students 21.6:1 students per teacher
John Muir Elementary
Standard public school
423 students 23.5:1 students per teacher
Las Juntas Elementary
Standard public school
353 students 20.8:1 students per teacher
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 (~533 students)
Similar student-teacher ratio (~20.5:1)
Next steps
Verify locally before acting on John Swett Elementary's federal record.
- Compare John Swett Elementary against another school. Compare schools
- Martinez Unified'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 John Swett Elementary
How many students attend John Swett Elementary?
John Swett Elementary has 533 students enrolled. It is an elementary school in Martinez, CA.
What is the student-teacher ratio at John Swett Elementary?
The student-teacher ratio at John Swett Elementary is 20.5:1, which is 5% lower than the California average of 21.5:1 and 31% higher than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at John Swett Elementary?
18.8% of students at John Swett Elementary are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of John Swett Elementary?
The largest demographic group at John Swett Elementary is White at 51.2% of enrollment, in Martinez, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 64.0/100.
What is the Resource Investment Index for John Swett Elementary?
John Swett Elementary has a Resource Investment Index of 30/100 (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 John Swett Elementary rank among elementary schools in Martinez?
By Resource Investment Index, John Swett Elementary ranks #1 of 5 elementary schools in Martinez, 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 Martinez on the city page.
Is John Swett Elementary a good school?
John Swett Elementary earns 30/100 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 Martinez Unified?
Besides John Swett Elementary, Martinez Unified also operates Alhambra Senior High (1,028 students), Martinez Junior High (843 students), and Morello Park Elementary (496 students). See the Martinez Unified district page for the complete list.
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.