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 school year, there are 4 public elementary schools serving 1,182 students in Byron Union Elementary School District. This district's average elementary testing ranking is 7/10, which is in the top 50% of public elementary schools in California.
Public Elementary Schools in Byron Union Elementary School District have an average math proficiency score of 43% (versus the California public elementary school average of 36%), and reading proficiency score of 44% (versus the 46% statewide average).
Minority enrollment is 58% of the student body (majority Hispanic), which is less than the California public elementary school average of 80% (majority Hispanic).
Overview
This School District
This State (CA)
# Schools
4 Schools
7,677 Schools
# Students
1,182 Students
3,817,118 Students
# Teachers
55 Teachers
173,969 Teachers
Student-Teacher Ratio
21:1
21:1
Student By Grade
District Rank
Byron Union Elementary School District, which is ranked #659 of all 1,904 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%
Students by Ethnicity:
Diversity Score
0.69
0.64
% American Indian
1%
n/a
% Asian
6%
12%
% Hispanic
35%
56%
% Black
5%
5%
% White
42%
20%
% Hawaiian
1%
n/a
% Two or more races
10%
7%
All Ethnic Groups
District Revenue and Spending
The revenue/student of $16,999 in this school district is less than the state median of $20,100. The school district revenue/student has grown by 24% over four school years.
The school district's spending/student of $14,184 is less than the state median of $18,511. The school district spending/student has grown by 18% over four school years.
Total Revenue
$20 MM
$116,387 MM
Spending
$17 MM
$107,188 MM
Revenue / Student
$16,999
$20,100
Spending / Student
$14,184
$18,511
Best Byron Union Elementary School District Public Elementary Schools (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Discovery Bay Elementary School
(Math: 59% | Reading: 60-64%)
Rank:
Rank:
9/
Top 20%10
1700 Willow Lake Rd.
Discovery Bay, CA 94505
(925) 809-7540
Discovery Bay, CA 94505
(925) 809-7540
Gr: K-5 | 417 students Student-teacher ratio: 22:1 Minority enrollment: 62%
Rank: #22.
Timber Point Elementary School
(Math: 40-44% | Reading: 35-39%)
Rank:
Rank:
6/
Top 50%10
40 Newbury Ln.
Discovery Bay, CA 94505
(925) 809-7550
Discovery Bay, CA 94505
(925) 809-7550
Gr: K-5 | 362 students Student-teacher ratio: 24:1 Minority enrollment: 57%
Rank: #33.
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: #44.
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%
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