Enrollment
353
California · 2024-25 NCES data
Elementary school (grades K-5) · Martinez, CA
Federal NCES profile for Las Juntas Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 26/100.
The verdict
Las Juntas Elementary earns 26/100 on the Resource Investment Index, with class sizes near the California median. It is also more racially and ethnically mixed than most California schools.
Las Juntas Elementary has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, Las Juntas Elementary ranks #2 of 5 elementary schools in Martinez, CA.
NCES ID 062403003615 Verify on NCES CCD record →
Enrollment
353
California · 2024-25 NCES data
Teachers (FTE)
17.0
Federal CCD staff survey
Students per teacher
20.8:1
vs 21.5:1 California avg
-3% vs state
Free-lunch eligible
45.5%
vs 55.5% California avg
-18% vs state
How Las Juntas Elementary compares with California and U.S. medians
At or below state median
20.8:1 - 0.7 below the California state median of 21.5:1, indicating smaller average class loads than typical schools in the state.
Las Juntas Elementary is a mid-sized elementary school in Martinez, California, enrolling 353 students.
At 20.8:1, 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 45.5% of students eligible for free meals.
Enrollment of 353 puts it in the smaller third of California schools by headcount.
Its Resource Investment Index lands in the lower third of 9,998 scored California schools.
Against 1,043 statewide peers matched on enrollment and economic need, it ranks mid-pack at #621.
Its student body is led by Hispanic or Latino (43%) and White (35%), more mixed than most schools in the state (diversity index 67/100).
Counselor availability sits well past the ASCA benchmark, roughly 353 students sharing each counselor, though short of the most stretched campuses.
Chronic absenteeism is elevated: 28.9% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Among Martinez's elementary schools, it stands alongside Hidden Valley Elementary (831 students): Las Juntas Elementary is smaller than that campus by headcount and runs leaner classes (20.8:1 vs 27.7:1).
Martinez Unified also operates Alhambra Senior High (1,028 students) and Martinez Junior High (843 students) alongside Las Juntas 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
Las Juntas 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 | 20.8:1 | ▼ 3% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 45.5% | ▼ 18% | 55.5% | 51.7% |
| Enrollment | 353 | top 67% | - | - |
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 43.1% of enrollment.
Simpson diversity index - at 67.4, Las Juntas Elementary is more mixed than the California school average of 46.0.
District-wide per-pupil expenditure for Martinez Unified, which includes Las Juntas 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 |
|---|---|---|---|
| Alhambra Senior High | Larger | Lower economic need | Similar S:T ratio |
| Martinez Junior High | Larger | Lower economic need | Higher S:T ratio |
| John Swett Elementary | Larger | Lower economic need | Similar S:T ratio |
| Morello Park Elementary | Larger | Lower economic need | Similar S:T ratio |
| John Muir Elementary | Similar size | Similar economic need | Higher S:T ratio |
Comparisons are relative to Las Juntas Elementary's own figures; each column derives from NCES Common Core of Data.
4 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 Las Juntas 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.
Las Juntas Elementary has 353 students enrolled. It is an elementary school in Martinez, CA.
The student-teacher ratio at Las Juntas Elementary is 20.8:1, which is 3% lower than the California average of 21.5:1 and 32% higher than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
45.5% of students at Las Juntas Elementary are eligible for free lunch, compared to the California average of 55.5%.
The largest demographic group at Las Juntas Elementary is Hispanic or Latino at 43.1% of enrollment, in Martinez, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 67.4/100.
Las Juntas Elementary has a Resource Investment Index of 26/100 (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, Las Juntas Elementary ranks #2 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.
Las Juntas Elementary earns 26/100 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 Las Juntas Elementary, Martinez Unified also operates Alhambra Senior High (1,028 students), Martinez Junior High (843 students), and John Swett Elementary (533 students). See the Martinez 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, “Las Juntas Elementary, Martinez 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/las-juntas-elementary-ca
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