Top Rankings
Byron Union Elementary School District ranks among the top 20% of public school district in California for:
Category
Attribute
Diversity
Most diverse schools (Top 1%)
For the 2026-27 school year, there are 2 public middle schools serving 403 students in Byron Union Elementary School District. This district's average middle testing ranking is 6/10, which is in the top 50% of public middle schools in California.
Public Middle Schools in Byron Union Elementary School District have an average math proficiency score of 35% (versus the California public middle school average of 32%), and reading proficiency score of 39% (versus the 46% statewide average).
Minority enrollment is 55% of the student body (majority Hispanic), which is less than the California public middle school average of 78% (majority Hispanic).
Overview
This School District
This State (CA)
# Schools
4 Schools
3,459 Schools
# Students
1,182 Students
1,857,843 Students
# Teachers
55 Teachers
88,071 Teachers
Student-Teacher Ratio
21:1
21:1
Student By Grade
District Rank
Byron Union Elementary School District, which is ranked #659 of all 1,903 school districts in California (based off of combined math and reading proficiency testing data) for the 2022-2023 school year.
The school district's graduation rate of 95% has stayed relatively flat over five school years.
Overall District Rank
#643 out of 1932 school districts
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
43%
34%
Reading/Language Arts Test Scores (% Proficient)
43%
47%
Science Test Scores (% Proficient)
27%
29%
Graduation Rate
(21-22)≥95%
87%
Chronically Absent Students
(2022-23)26.8%
27.7%
Students by Ethnicity:
Diversity Score
0.69
0.64
% American Indian
1%
1%
% Asian
6%
11%
% Hispanic
35%
55%
% Black
5%
5%
% White
42%
22%
% Hawaiian
1%
n/a
% Two or more races
10%
6%
All Ethnic Groups
District Revenue and Spending
The revenue/student of $21,217 in this school district is less than the state median of $26,022. The school district revenue/student has grown by 22% over four school years.
The school district's spending/student of $17,384 is less than the state median of $22,604. The school district spending/student has grown by 13% over four school years.
Total Revenue
$25 MM
$150,628 MM
Spending
$21 MM
$130,845 MM
Revenue / Student
$21,217
$26,022
Spending / Student
$17,384
$22,604
Best Byron Union Elementary School District Public Middle Schools (2026-27)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Excelsior Middle School
(Math: 36% | Reading: 39%)
Rank:
Rank:
6/
Top 50%10
14301 Byron Hwy.
Byron, CA 94514
(925) 809-7530
Byron, CA 94514
(925) 809-7530
Gr: 6-8 | 377 students Student-teacher ratio: 19:1 Minority enrollment: 54%
Rank: #22.
Byron Institute For Independent Study
Alternative School
(Math: ≤20% | Reading: 21-39%)
Rank:
Rank:
3/
Bottom 50%10
40 Newbury Ln.
Discovery Bay, CA 94505
(925) 809-7550
Discovery Bay, CA 94505
(925) 809-7550
Gr: K-8 | 26 students Student-teacher ratio: 26:1 Minority enrollment: 73%
Recent Articles
How Often Does Your Child's School Change Teachers Between Grade Levels?
Learn how teacher movement between grade levels affects continuity, experience, instruction, and school stability, plus the questions parents should ask about staffing patterns before choosing a public school today.
The School Pickup Test: What Arrival and Dismissal Reveal About a Public School
Discover what school arrival and dismissal reveal about safety, supervision, organization, communication, student behavior, transportation, and school climate before choosing the right public school for your child and family.
Should Siblings Attend the Same Public School?
Should siblings attend the same public school? Learn when academic needs, learning styles, programs, social fit, support services, and individual interests may make different schools better choices for children.
