How does Marston Middle compare to other middle schools in San Diego?

Marston Middle has a SchoolScope composite score of 51.7/100, placing it at the 75th percentile statewide. 27% of students exceed standard, with a total of 1,357 students tested across grades and subjects.

What percentage of students exceed standards at Marston Middle?

27.5% of students at Marston Middle exceed the state standard on CAASPP assessments, while 54.7% meet or exceed it. The gap between these two numbers reveals whether the school pushes students beyond basic proficiency.

Is Marston Middle improving or declining?

Based on CAASPP data, Marston Middle's proficiency rate decreases by 1.0 percentage points from Grade 6 to grade 8 growth. This pattern in test scores may reflect a variety of factors beyond the school itself.

What is the chronic absenteeism rate at Marston Middle?

12.2% of students at Marston Middle are chronically absent (missing 10% or more of school days). This metric reflects school culture and family engagement, and is weighted at 15% in our composite score.

Marston Middle

Middle School

San Diego Unified San DiegoSan Diego County92117

📍 3799 Clairemont Drive

Composite Score

out of 100

State Percentile

of middle schools

State Rank

of 1,714 California middle schools

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Building Momentum

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Composite scores are SchoolScope's analysis of public data from the California Dept. of Education (CAASPP, chronic absenteeism, suspension rates). They are not official CDE ratings and should not be the sole basis for school decisions. See methodology.

School overview

Enrollment

674 students

Student-Teacher Ratio

23:1

Free/Reduced Lunch

42%

Teachers

29 full-time

Dashboard indicators

ELA Year-over-Year

Increased

+3.5 pts DFS change

Math Year-over-Year

Increased

+5.3 pts DFS change

EL Proficiency (ELPAC)

35.0%

English learners at Level 4 (Well Developed) · 40 tested

Data source: California School Dashboard 2025, ELPAC 2024

Student demographics

Hispanic37.2%

White45.3%

Asian4.2%

Black1.5%

Other11.9%

Performance breakdown

Performance breakdown for Marston Middle
Category	Percentage
Exceeded Standard	27.5%
Met Standard	27.3%
Below Standard	45.3%

What other rankings don't show you

Most rating sites report "55% proficient" for Marston Middle and stop there. Here's what that number hides:

27.5% of students exceeded standard while 27.3% met it. That exceeded rate is 10.2 points above the state average of 17.3%. That's 3.1 points above the San Diego Unified district average of 24.4%. Compared to the 3 nearby schools within ~3 miles, this exceeded rate is 17.1 points higher (vs 10.4% average). The gap between "met" and "exceeded" can reveal how much a school's curriculum challenges students beyond proficiency.

Proficiency drops by 1.0 percentage points from Grade 6 to grade 8 growth — a signal that the school may not be sustaining early gains.

California's Dashboard shows ELA performance increased and Math increased year-over-year. 35.0% of English learners reached Level 4 (Well Developed) on ELPAC.

Chronic absenteeism is 12.2%, better than the state average of 19.3%.

Why the exceeded vs. met split matters →

Key metrics

% Exceeded Standard

27.5%

Students scoring above proficient

% Met or Above

54.7%

Students meeting standard

Growth (G6→G8)

-1.0pp

Change in proficiency rate

Chronic Absenteeism

12.2%

Students missing 10%+ of days

Suspension Rate

5.0%

Students suspended at least once

Total Tested

1,357

Across all grades & subjects

Grade trajectory

ELA Trajectory

G6 → G7 → G8

Math Trajectory

G6 → G7 → G8

ELA scores by grade

Grade	Tested	Exceeded	Met	Nearly Met	Not Met	Met+Above
6th	238	26.5%	33.2%	25.2%	15.1%	59.7%
7th	242	22.7%	36.4%	21.1%	19.8%	59.1%
8th	198	22.2%	35.4%	22.7%	19.7%	57.6%

Math scores by grade

Grade	Tested	Exceeded	Met	Nearly Met	Not Met	Met+Above
6th	240	25.8%	25.4%	23.3%	25.4%	51.3%
7th	242	33.1%	16.5%	26.9%	23.6%	49.6%
8th	197	34.5%	16.8%	23.4%	25.4%	51.3%

K-12 Feeder PathBoundary data

Elementary

▼

Middle

Marston Middle

51.775th pctile

This school

▼

High School

Clairemont High

49.045th pctile

Feeder patterns derived from 2015-16 NCES attendance boundary data. Boundaries may have changed. Contact your school district for current information.