Las Juntas Elementary
School pathway
Test scores
CAASPP 2023-24 . % met or exceeded standardWhat this means: On the CAASPP, California's statewide test, about 33 of every 100 students at this school read and write at grade level and about 28 of 100 do math at grade level. Across all California schools, those numbers are about 47 and 36. Reading and writing scores are up about 3 points since 2014, while math scores are up about 15 points.
BeatsExpectations
Demographically-adjusted score · methodologyWhat this means: About 29% of students here test proficient in math and reading, below the roughly 50% typical for California schools with a similar share of low-income students. BeatsExpectations compares each school with others at the same poverty level, not by raw scores, so a school lands here when its results trail those comparable schools, which is not the same as having low scores. A higher-scoring school can still fall in this tier if similar schools score higher still.
7-year change
SY 2017-18 vs SY 2024-25About Las Juntas Elementary
Las Juntas Elementary, a small primary school in Martinez, California, operated by Martinez Unified, enrolls 353 students, covering grades K through 5. Compared to the state average of about 465 students per school, that is 24% below typical.
Martinez Unified comprises 8 schools with combined enrollment of 3,774 students; Las Juntas Elementary is among them.
In terms of who attends, Las Juntas Elementary logs that the largest single group is Hispanic at 43%, but no single group is in the majority. Beyond that, the school reports 35% White, 12% multiracial, 7% Asian, 3% Black. By comparison, Contra Costa County as a whole is about 28% Hispanic, so the school skews visibly more Hispanic than its surroundings.
Looking at the economic backdrop, Las Juntas Elementary records 18 full-time-equivalent teachers, putting the student-to-teacher ratio at about 19.2:1. The state averages around 22.3:1, so this campus is tighter than the state norm typical. Roughly 49% of students at Las Juntas Elementary qualify for free or reduced-price lunch, often used as a Title I proxy.
After controlling for student poverty, On a poverty-adjusted basis, Las Juntas Elementary sits in the bottom 10% statewide. Predicted proficiency from the FRL regression is roughly 50.1%; actual is 29.1%, a gap of -21.1 points.
Zooming out to the county, census data for Contra Costa County shows the typical household earns roughly $127,229 per year, 45% of adults hold a bachelor's degree or higher, and roughly 6% of residents live below the federal poverty line. Las Juntas Elementary is one of 280 public schools in Contra Costa County (combined enrollment of about 167,423 students).
Nearest neighbor: Morello Park Elementary, around 0.6 miles off. Within five miles, there are 8 other public schools. Among the 6 schools in that immediate cluster with test data (this one included), Las Juntas Elementary ranks 6th on composite proficiency, beneath the local average of 51.0%.
Las Juntas Elementary operates from a commuter-belt location.
Looking at the recent track record. Looking back 7 years, enrollment at Las Juntas Elementary has ticked down 6%, going from 375 students in 2018 to 353 in 2025. Class-load math has fell: from 20.8:1 in 2018 to 19.2:1 in 2025.
In the discussion threads here, members of the Las Juntas Elementary community share and discuss fundraisers, lost-and-found posts, and report-card season. Posting is open to anyone connected to the school.
Contra Costa County at a glance
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Related schools
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- Hidden Valley ElementaryElementary · 831 students
- John Swett ElementaryElementary · 533 students
- Morello Park ElementaryElementary · 496 students
- John Muir ElementaryElementary · 423 students
- Morello Park Elementary0.6 mi · 496
- Mt. McKinley1.4 mi · 42
- John Muir Elementary1.6 mi · 423
- Hidden Valley Elementary1.8 mi · 831
- Martinez Junior High2.1 mi · 843
- Briones (Alternative)2.2 mi · 48