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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

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 metrics
Student Progress9.6Exceptional40%
Year-over-year improvement in student test scores.
View breakdown
Years of Data2
Annual Change+1.63 pts/yr
Data Period2019–2024
TrendImproving
Academics6.8Above Average35%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency42.4%
Reading/ELA Proficiency56%
Math vs. State Avg+8 pts
Reading vs. State Avg+10.1 pts
Overall Proficiency49%
Expected (poverty-adj.)56%
vs. Expected-6.9 pts
Adjusted Percentile54th
Resources & Environment3.0Fair25%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio25.9:1
Per-Pupil Spending$14,332

Martinez Junior High — Students at Martinez Junior High score 49% proficient, which is below what's typical for similar communities (expected: 56%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

33.6%

Students qualifying for federal meal assistance

Test Scores CA CAASPP (2023-24)

Math Proficiency 40.5%
School
State
33.9%
ELA Proficiency 54.5%
School
State
46.6%

Based on 10 test records from CA state assessments. About our data

Proficiency Trend

↑ Improving

Average proficiency (% at or above grade level) across Math & ELA over time.

2019
Math
33%
ELA
49%
2024
Math
42.4%
ELA
55.9%

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.

Overall Score
7.0/10
65th percentile in CA
Academic
6.8/10
6.8/10
Growth
9.6/10
Above average
Environment
3.0/10
Below average

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
34%
Teaching Staff
26:1 student-teacher ratio
31 teachers

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.

11 schools nearby View map →

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
Data Year
2023–2024

District

Martinez Unified
District Enrollment
3,771
Schools in District
9
Per-Pupil Spending
$16,263
District Rank
#4 of 8

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.

Read our full methodology

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