Serving 369 students in grades Kindergarten-8, Joe Serna Jr. Charter ranks in the top 50% of all schools in California for overall test scores (math proficiency is top 50%, and reading proficiency is top 50%).
The percentage of students achieving proficiency in math is 32% (which is lower than the California state average of 34%). The percentage of students achieving proficiency in reading/language arts is 54% (which is higher than the California state average of 47%).
The student-teacher ratio of 19:1 is lower than the California state level of 21:1.
Minority enrollment is 85% of the student body (majority Hispanic), which is higher than the California state average of 80% (majority Hispanic).
Quick Facts (2026)
- School Type: Charter School
- Grades: Kindergarten-8
- Enrollment: 369 students
- Student-Teacher Ratio: 19:1
- Minority Enrollment: 85%
- Overall Testing Rank: Top 50% in CA
- Math Proficiency: 32% (Top 50%)
- Reading Proficiency: 54% (Top 30%)
- Science Proficiency: 20-24% (Btm 50%)
- Source: National Center for Education Statistics (NCES), CA Dept. of Education
Top Rankings
Joe Serna Jr. Charter ranks among the top 20% of public schools in California for:
Category
Attribute
Most improved public schools
School Overview
Joe Serna Jr. Charter's student population of 369 students has stayed relatively flat over five school years.
The teacher population of 19 teachers has stayed relatively flat over five school years.
School Type
Grades Offered
Grades Kindergarten-8
Total Students
369 students
Total Classroom Teachers
19 teachers
School Rankings
Joe Serna Jr. Charter ranks within the top 50% of all 9,523 schools in California (based off of combined math and reading proficiency testing data).
The diversity score of Joe Serna Jr. Charter is 0.29, 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
#3402 out of 9523 schools
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
32%
34%
Reading/Language Arts Test Scores (% Proficient)
54%
47%
Science Test Scores (% Proficient)
20-24%
29%
Student-Teacher Ratio
19:1
21:1
American Indian
n/a
1%
Asian
1%
12%
Hispanic
83%
56%
Black
n/a
5%
White
15%
20%
Hawaiian
n/a
n/a
Two or more races
1%
6%
All Ethnic Groups
Eligible for Free Lunch
60%
54%
Eligible for Reduced Lunch
13%
8%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CA Dept. of Education
Frequently Asked Questions
What is Joe Serna Jr. Charter's ranking?
Joe Serna Jr. Charter is ranked #3402 out of 9,523 schools, which ranks it among the top 50% of public schools in California.
What schools are Joe Serna Jr. Charter often compared to?
Joe Serna Jr. Charteris often viewed alongside schools like Elkhorn, Ellerth E. Larson Elementary School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
32% of students have achieved math proficiency (compared to the 34% CA state average), while 54% of students have achieved reading proficiency (compared to the 47% CA state average).
How many students attend Joe Serna Jr. Charter?
369 students attend Joe Serna Jr. Charter.
What is the racial composition of the student body?
83% of Joe Serna Jr. Charter students are Hispanic, 15% of students are White, 1% of students are Asian, and 1% of students are Two or more races.
What is the student-teacher ratio of Joe Serna Jr. Charter?
Joe Serna Jr. Charter has a student ration of 19:1, which is lower than the California state average of 21:1.
What grades does Joe Serna Jr. Charter offer ?
Joe Serna Jr. Charter offers enrollment in grades Kindergarten-8
What school district is Joe Serna Jr. Charter part of?
Joe Serna Jr. Charter is part of Lodi Unified School District.
School Reviews
5 10/10/2025
Good school and staff, there are a lot of teachers in Lodi unified that send there
Own kids to this school, That says something.
After having one kid graduate and another still in
Attendance I''m hoping that the new principle will be as good or
Better than Mr G.
Review Joe Serna Jr. Charter. Reviews should be a few sentences in length. Please include any comments on:
- Quality of academic programs, teachers, and facilities
- Availability of music, art, sports and other extracurricular activities
Recent Articles
AI Report Cards: Should Schools Evaluate AI Use?
Explore whether schools should assess student AI use, the benefits, risks, and what responsible AI report cards could look like in 2026.
The Parent’s Guide to School Cell Phone Bans in 2026
Learn how school cell phone bans work in 2026, why districts are adopting them, and what parents should expect.
Parental Involvement in Public Schools: 2026 Update
Explore the latest 2026 trends, research, and strategies shaping parental involvement in public schools and student success.
