How does Jefferson Middle compare to other middle schools in San Gabriel?

Jefferson Middle has a SchoolScope composite score of 53.9/100, placing it at the 80th percentile statewide. 28% of students exceed standard, with a total of 1,968 students tested across grades and subjects.

What percentage of students exceed standards at Jefferson Middle?

28.2% of students at Jefferson Middle exceed the state standard on CAASPP assessments, while 54.0% meet or exceed it. The gap between these two numbers reveals whether the school pushes students beyond basic proficiency.

What is the chronic absenteeism rate at Jefferson Middle?

12.4% of students at Jefferson 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.

Jefferson Middle

Q: Is Jefferson Middle improving or declining?

Jefferson Middle's proficiency rate increases by 3.4 percentage points from Grade 6 to grade 8 growth, suggesting the school is adding value over time.

Middle School

San Gabriel Unified San GabrielLos Angeles County91776

Composite Score

out of 100

State Percentile

of middle schools

State Rank

of 1,714 California middle schools

School overview

Enrollment

959 students

Student-Teacher Ratio

19:1

Free/Reduced Lunch

69%

Teachers

51 full-time

Dashboard indicators

ELA Year-over-Year

Declined

-6.4 pts DFS change

Math Year-over-Year

Maintained

-1.9 pts DFS change

EL Proficiency (ELPAC)

22.2%

English learners at Level 4 (Well Developed) · 153 tested

Data source: California School Dashboard 2025, ELPAC 2024

Student demographics

Hispanic40.7%

White3.1%

Asian49.2%

Black0.5%

Other6.5%

Performance breakdown

Performance breakdown for Jefferson Middle
Category	Percentage
Exceeded Standard	28.2%
Met Standard	25.8%
Below Standard	46.0%

What other rankings don't show you

Most rating sites report "54% proficient" for Jefferson Middle and stop there. Here's what that number hides:

28.2% of students exceeded standard while 25.8% merely met it. That exceeded rate is 10.9 points above the state average of 17.3%. That's 2.1 points above the San Gabriel Unified district average of 26.1%. The 1 nearby schools within ~3 miles average 61.8% exceeded — 33.5 points higher. The gap between "met" and "exceeded" is the difference between a school that clears the bar and one that raises it.

Students here improve by 3.4 percentage points from Grade 6 to grade 8 growth, suggesting the school is adding value beyond what students arrive with.

California's Dashboard shows ELA performance declined and Math maintained year-over-year. 22.2% of English learners reached Level 4 (Well Developed) on ELPAC.

Chronic absenteeism is 12.4%, better than the state average of 19.3%.

Why the exceeded vs. met split matters →

Key metrics

% Exceeded Standard

28.2%

Students scoring above proficient

% Met or Above

54.0%

Students meeting standard

Growth (G6→G8)

+3.4pp

Change in proficiency rate

Chronic Absenteeism

12.4%

Students missing 10%+ of days

Suspension Rate

2.6%

Students suspended at least once

Total Tested

1,968

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	336	22.9%	36.0%	19.4%	21.7%	58.9%
7th	345	32.5%	28.7%	20.0%	18.8%	61.2%
8th	293	34.8%	30.0%	18.8%	16.4%	64.8%

Math scores by grade

Grade	Tested	Exceeded	Met	Nearly Met	Not Met	Met+Above
6th	347	22.5%	21.0%	26.5%	30.0%	43.5%
7th	352	29.0%	22.2%	24.7%	24.1%	51.1%
8th	295	27.8%	16.6%	24.1%	31.5%	44.4%

K-12 Feeder PathBoundary data

Elementary

Zoned

Zoned

Zoned

Washington Elementary

54.575th pctile

Zoned

Wilson Elementary

62.886th pctile

Zoned

▼

Middle

Jefferson Middle

53.980th pctile

This school

▼

High School

Gabrielino High

71.993rd pctile

Zoned

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