Serving 1,013 students in grades 6-8, Jefferson Middle School ranks in the top 30% of all schools in California for overall test scores (math proficiency is top 30%, and reading proficiency is top 30%).
The percentage of students achieving proficiency in math is 44% (which is higher than the California state average of 34%). The percentage of students achieving proficiency in reading/language arts is 64% (which is higher than the California state average of 47%).
The student-teacher ratio of 22:1 is higher than the California state level of 21:1.
Minority enrollment is 97% of the student body (majority Asian), which is higher than the California state average of 80% (majority Hispanic).
Quick Facts (2026-27)
- Grades: 6-8
- Enrollment: 1,013 students
- Student-Teacher Ratio: 22:1
- Minority Enrollment: 97%
- Overall Testing Rank: Top 30% in CA
- Math Proficiency: 44% (Top 30%)
- Reading Proficiency: 64% (Top 20%)
- Science Proficiency: 42% (Top 30%)
- Attendance Zone: Jefferson Middle's attendance zone covers the entire San Gabriel school district, encompassing approximately 4.6 square miles. Most students live within a 5-10 minute drive of the school, with the furthest edge of the zone reaching about 2.5 miles away.
- Source: National Center for Education Statistics (NCES), CA Dept. of Education
Top Rankings
Jefferson Middle School ranks among the top 20% of public schools in California for:
Category
Attribute
Reading/Language Arts Proficiency
School Overview
Jefferson Middle School's student population of 1,013 students has declined by 5% over five school years.
The teacher population of 47 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 6-8
Total Students
1,013 students
Total Classroom Teachers
47 teachers
School Calendar
School Rankings
Jefferson Middle School ranks within the top 30% of all 9,523 schools in California (based off of combined math and reading proficiency testing data).
The diversity score of Jefferson Middle School is 0.57, which is less than the diversity score at state average of 0.63. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#2155 out of 9523 schools
(Top 30%)
(Top 30%)
Math Test Scores (% Proficient)
44%
34%
Reading/Language Arts Test Scores (% Proficient)
64%
47%
Science Test Scores (% Proficient)
42%
29%
Student-Teacher Ratio
22:1
21:1
American Indian
n/a
1%
Asian
52%
12%
Hispanic
40%
56%
Black
1%
5%
White
3%
20%
Hawaiian
n/a
n/a
Two or more races
4%
6%
All Ethnic Groups
Chronically Absent Students
(22-23)14.5%
27.7%
Eligible for Free Lunch
53%
54%
Eligible for Reduced Lunch
17%
8%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CA Dept. of Education
Frequently Asked Questions
What is Jefferson Middle School's ranking?
Jefferson Middle School is ranked #2155 out of 9,523 schools, which ranks it among the top 30% of public schools in California.
What schools are Jefferson Middle School often compared to?
Jefferson Middle Schoolis often viewed alongside schools like Muscatel Middle School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
44% of students have achieved math proficiency (compared to the 34% CA state average), while 64% of students have achieved reading proficiency (compared to the 47% CA state average).
How many students attend Jefferson Middle School?
1,013 students attend Jefferson Middle School.
What is the racial composition of the student body?
52% of Jefferson Middle School students are Asian, 40% of students are Hispanic, 4% of students are Two or more races, 3% of students are White, and 1% of students are Black.
What is the student-teacher ratio of Jefferson Middle School?
Jefferson Middle School has a student ration of 22:1, which is higher than the California state average of 21:1.
What grades does Jefferson Middle School offer ?
Jefferson Middle School offers enrollment in grades 6-8
What school district is Jefferson Middle School part of?
Jefferson Middle School is part of San Gabriel Unified School District.
School Reviews
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