Top Rankings
Byron Union Elementary School District ranks among the top 20% of public school district in California for:
Category
Attribute
Graduation Rate
Highest graduation rate (Top 10%)
Diversity
Most diverse schools (Top 1%)
For the 2025 school year, there are 2 public middle schools serving 444 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 29% (versus the California public middle school average of 31%), and reading proficiency score of 39% (versus the 46% statewide average).
Minority enrollment is 50% 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
3,501 Schools
# Students
1,238 Students
1,854,363 Students
# Teachers
61 Teachers
87,821 Teachers
Student : Teacher Ratio
20:1
20:1
District Rank
Byron Union Elementary School District, which is ranked #723 of all 1,925 school districts in California (based off of combined math and reading proficiency testing data) for the 2021-2022 school year.
The school district's graduation rate of 95% has stayed relatively flat over five school years.
Overall District Rank
#747 out of 1941 school districts
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
37%
33%
Reading/Language Arts Test Scores (% Proficient)
43%
47%
Science Test Scores (% Proficient)
27%
29%
Graduation Rate
≥95%
87%
Students by Ethnicity:
Diversity Score
0.69
0.64
# American Indian Students
14 Students
9,887 Students
% American Indian Students
1%
1%
# Asian Students
77 Students
201,760 Students
% Asian Students
6%
11%
# Hispanic Students
385 Students
1,009,980 Students
% Hispanic Students
31%
55%
# Black Students
76 Students
97,908 Students
% Black Students
6%
5%
# White Students
556 Students
413,325 Students
% White Students
45%
22%
# Hawaiian Students
17 Students
7,600 Students
% Hawaiian Students
2%
n/a
# Two or more races Students
113 Students
109,003 Students
% of Two or more races Students
9%
6%
Students by Grade:
# Students in PK Grade:
-
83
# Students in K Grade:
156
90,358
# Students in 1st Grade:
123
70,728
# Students in 2nd Grade:
128
73,359
# Students in 3rd Grade:
118
73,090
# Students in 4th Grade:
142
76,068
# Students in 5th Grade:
132
82,191
# Students in 6th Grade:
133
289,122
# Students in 7th Grade:
142
439,549
# Students in 8th Grade:
164
441,705
# Students in 9th Grade:
-
59,696
# Students in 10th Grade:
-
51,846
# Students in 11th Grade:
-
51,149
# Students in 12th Grade:
-
55,419
# Ungraded Students:
-
-
District Revenue and Spending
The revenue/student of $16,230 in this school district is less than the state median of $19,974. The school district revenue/student has grown by 6% over four school years.
The school district's spending/student of $13,542 is less than the state median of $18,396. The school district spending/student has grown by 6% over four school years.
Total Revenue
$20 MM
$116,387 MM
Spending
$17 MM
$107,188 MM
Revenue / Student
$16,230
$19,974
Spending / Student
$13,542
$18,396
Best Byron Union Elementary School District Public Middle Schools (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Grades
Students
Rank: #11.
Excelsior Middle School
(Math: 30% | Reading: 39%)
Rank:
Rank:
6/
Top 50%10
14301 Byron Hwy.
Byron, CA 94514
(925) 809-7530
Byron, CA 94514
(925) 809-7530
Grades: 6-8
| 423 students
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
Grades: K-8
| 21 students
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