Very Good
#3339 of 9,533 schools in CA
Top 35% in state
Martinez Junior High
Middle School · Martinez Unified
1600 Ct. St., Martinez, CA 94553
Enrollment
803
Student-Teacher
25.9:1
Score
7.0
Grades
6th – 8th
Enrollment
803
Student-Teacher
25.9:1
Score
7.0
Grades
6th – 8th
Updated
2022-23
Updated 2022-23
How this school compares
In Martinez
#4 of 10
public schools
California middle schools
#460 of 1,349
In district
#4 of 8
Martinez Unified
Academic growth
9.6 / 10
Exceptional
About Martinez Junior High
Martinez Junior High serves 803 students in grades 6-8 in Martinez, California, operating as a regular public school in Contra Costa County. With 31 full-time equivalent teachers, the school maintains a student-teacher ratio of 25.9:1, providing a substantial middle school learning environment for families in this large suburban community. The school demonstrates solid academic performance with a MySchoolScout rating of 7.0 out of 10 and ranks in the 75th percentile statewide at #2,393 out of 9,566 California schools.
Students show particular strength in English Language Arts, with 55% achieving proficiency or above across grade levels, while mathematics performance reaches 41% proficiency. These results reflect the school's commitment to supporting students through the critical middle school years. Martinez Junior High draws from an established suburban community where families benefit from economic stability, with a median household income of $118,704 and home values averaging $723,400.
The neighborhood's educational focus is evident, as 42% of residents hold bachelor's degrees or higher, and the area maintains a low poverty rate of 6.4%. The school sits comfortably within this large suburban setting, serving nearly 50,000 residents in the surrounding ZIP code area.
What Parents Should Know
The student-teacher ratio at Martinez Junior High is 25.9:1, which is higher than the national average. This may mean larger class sizes, so parents should ask about classroom support, teaching assistants, and how the school differentiates instruction for students who need extra help.
Score Breakdown
Full Profile · 3/3 metricsView breakdown
View breakdown
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Martinez Junior High — Students at Martinez Junior High score 49% proficient, which is below what's typical for similar communities (expected: 56%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
33.6%
Students qualifying for federal meal assistance
Test Scores CA CAASPP (2023-24)
Based on 10 test records from CA state assessments. About our data
Proficiency Trend
↑ ImprovingAverage proficiency (% at or above grade level) across Math & ELA over time.
Source: EdFacts (NCES) and state assessment data. Growth score: 9.6/10.
How Martinez Junior High Compares
See how Martinez Junior High performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has improved from 33% (2019) to 42.44% (2024). Reading/ELA proficiency has improved from 49% (2019) to 55.99% (2024).
Location
1600 Ct. St., Martinez, CA 94553
Nearby Alternatives
Families considering Martinez Junior High may also want to explore other middle schools in the area. John Muir Elementary (rated 7.8/10, 1.1 miles away), which scores slightly higher. Another option is ST CATHERINE OF SIENA SCHOOL (rated 7.5/10, 0.3 miles away), which scores slightly higher. Additionally, Mary Farmar Elementary (rated 7.5/10, 4.1 miles away, in nearby Benicia), which scores slightly higher. For more schools in Martinez, see our Martinez schools guide .
Nearby Schools
20 within 4.3 mi| School | Distance | Rating |
|---|---|---|
| BUILDING Connections Academy Martinez Martinez | 0.1 mi | — |
| Vicente Martinez High Martinez | 0.2 mi | 6.8 |
| Briones (Alternative) Martinez | 0.2 mi | 5.1 |
| St. Catherine of Siena Martinez | 0.3 mi | — |
| ST CATHERINE OF SIENA SCHOOL Martinez | 0.3 mi | 7.5 |
| Alhambra Senior High Martinez | 0.8 mi | 5.6 |
| WOODBRIDGE CHILDREN'S CENTER - JOHN MUIR Martinez | 1.1 mi | — |
| John Muir Elementary Martinez | 1.1 mi | 7.8 |
| John Swett Elementary Martinez | 2.2 mi | 5.7 |
| Morello Park Elementary Martinez | 1.9 mi | 7.1 |
| Las Juntas Elementary Martinez | 2.1 mi | 7.1 |
| ST DOMINIC ELEMENTARY SCHOOL Benicia | 2.6 mi | 5.9 |
| Community Day Benicia | 2.7 mi | — |
| Liberty High Benicia | 2.8 mi | 5.7 |
| Robert Semple Elementary Benicia | 3.3 mi | 5.5 |
| Mt. McKinley Martinez | 2.9 mi | 5.6 |
| Hidden Valley Elementary Martinez | 3.1 mi | 6.6 |
| Mary Farmar Elementary Benicia | 4.1 mi | 7.5 |
| Valhalla Elementary Pleasant Hill | 4.2 mi | 4.7 |
| Benicia High Benicia | 4.3 mi | 7.2 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 94553 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$121,023
Median Home Value
$781,400
Median Rent
$2,247/mo
Population
48,600
College Educated
41.9%
Homeownership
71.8%
Avg Commute
30.5 min
Poverty Rate
7.6%
Median Age
42.3
Community Profile
The community surrounding Martinez Junior High has a median household income of $121,023. It is a well-educated community where 42% of adults hold a bachelor's degree or higher. The median home value in the area is $781,400, with a median rent of $2,247/month. The local poverty rate of 7.6% is relatively low. The average commute for residents is 31 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Adams (J. Douglas) Middle Brentwood, CA | 7.0 |
| Andrew Carnegie Middle Orangevale, CA | 7.0 |
| Bidwell Junior High Chico, CA | 7.0 |
| Big Bear Middle Big Bear Lake, CA | 7.0 |
| Bohannon Middle San Lorenzo, CA | 7.0 |
| Bret Harte Middle Hayward, CA | 7.0 |
Frequently Asked Questions
Common questions about Martinez Junior High
What grades does Martinez Junior High serve?
Martinez Junior High serves students in grades 6th through 8th.
How many students attend Martinez Junior High?
Martinez Junior High has an enrollment of approximately 803 students.
What is the student-teacher ratio at Martinez Junior High?
The student-teacher ratio at Martinez Junior High is 25.9:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Martinez Junior High rank in CA?
Martinez Junior High is ranked #3339 out of 9,533 schools in CA.
What is Martinez Junior High's MySchoolScout rating?
Martinez Junior High has a composite rating of 7.0 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
What are the test scores at Martinez Junior High?
Based on the most recent state assessment data, Martinez Junior High has 40.5% math proficiency and 54.5% reading/ELA proficiency.
Is Martinez Junior High a charter school?
No, Martinez Junior High is not a charter school. It is a traditional public school operated by the local school district.
Is Martinez Junior High a Title I school?
No, Martinez Junior High is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Martinez Junior High?
33.6% of students at Martinez Junior High qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Explore More Schools
Neighborhood Context
- City Safety
- High (1,539/100K)
FBI UCR 2024. City-level (Martinez). Data >1 year old.
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 6th – 8th
- Enrollment
- 803
- Student-Teacher Ratio
- 25.9:1
- Teachers (FTE)
- 31
- Free/Reduced Lunch
- 33.6%
- Type
- regular
- Setting
- Large Suburb
- County
- Contra Costa County
- Phone
- (925) 335-5820
- Data Year
- 2023–2024
Resources & Links
District
Martinez Unified- District Enrollment
- 3,771
- Schools in District
- 9
- Per-Pupil Spending
- $16,263
- District Rank
- #4 of 8
Other Schools in This District
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
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