Top Rankings
Union Elementary School District ranks among the top 20% of public school district in California for:
Category
Attribute
Overall Rank
Highest overall rank (Top 5%)
Math Proficiency
Highest math proficiency (Top 5%)
Reading/Language Arts Proficiency
Highest reading/language arts proficiency (Top 5%)
Science Proficiency
Highest science proficiency (Top 5%)
Diversity
Most diverse schools (Top 1%)
Community Size
Largest student body (number of students) (Top 1%)
For the 2025 school year, there are 8 public schools serving 5,368 students in Union Elementary School District. This district's average testing ranking is 10/10, which is in the top 5% of public schools in California.
Public Schools in Union Elementary School District have an average math proficiency score of 74% (versus the California public school average of 34%), and reading proficiency score of 75% (versus the 47% statewide average).
The top ranked public schools in Union Elementary School District are Carlton Elementary School, Oster Elementary School and Union Middle School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking. Union Elementary School District has one of the highest concentrations of top ranked public schools in California.
Minority enrollment is 68% of the student body (majority Asian), which is less than the California public school average of 80% (majority Hispanic).
Overview
This School District
This State (CA)
# Schools
8 Schools
10,369 Schools
# Students
5,368 Students
5,826,838 Students
# Teachers
228 Teachers
268,018 Teachers
Student : Teacher Ratio
24:1
24:1
Student By Grade
District Rank
Union Elementary School District, which is ranked #61 of all 1,910 school districts in California (based off of combined math and reading proficiency testing data) for the 2022-2023 school year.
Overall District Rank
#57 out of 1932 school districts
(Top 5%)
(Top 5%)
Math Test Scores (% Proficient)
74%
34%
Reading/Language Arts Test Scores (% Proficient)
75%
47%
Science Test Scores (% Proficient)
65%
29%
Students by Ethnicity:
Diversity Score
0.69
0.63
% American Indian
n/a
1%
% Asian
42%
12%
% Hispanic
16%
56%
% Black
1%
5%
% White
32%
20%
% Hawaiian
n/a
n/a
% Two or more races
9%
6%
All Ethnic Groups
District Revenue and Spending
The revenue/student of $15,908 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 $16,392 is less than the state median of $18,396. The school district spending/student has grown by 6% over four school years.
Total Revenue
$85 MM
$116,387 MM
Spending
$88 MM
$107,188 MM
Revenue / Student
$15,908
$19,974
Spending / Student
$16,392
$18,396
Best Union Elementary School District Public Schools (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Grades
Students
Rank: #11.
Carlton Elementary School
(Math: 83% | Reading: 84%)
Rank:
Rank:
10/
Top 5%10
2421 Carlton Ave.
San Jose, CA 95124
(408) 356-1141
San Jose, CA 95124
(408) 356-1141
Grades: K-5
| 662 students
Rank: #22.
Oster Elementary School
(Math: 81% | Reading: 81%)
Rank:
Rank:
10/
Top 5%10
1855 Lencar Way
San Jose, CA 95124
(408) 266-8121
San Jose, CA 95124
(408) 266-8121
Grades: K-5
| 627 students
Rank: #33.
Union Middle School
(Math: 81% | Reading: 80%)
Rank:
Rank:
10/
Top 5%10
2130 Los Gatos-almaden Rd.
San Jose, CA 95124
(408) 371-0366
San Jose, CA 95124
(408) 371-0366
Grades: 6-8
| 1,052 students
Rank: #44.
Alta Vista Elementary School
(Math: 79% | Reading: 80%)
Rank:
Rank:
10/
Top 5%10
200 Blossom Valley Rd.
Los Gatos, CA 95032
(408) 356-6146
Los Gatos, CA 95032
(408) 356-6146
Grades: K-5
| 576 students
Rank: #55.
Guadalupe Elementary School
(Math: 78% | Reading: 73%)
Rank:
Rank:
10/
Top 10%10
6044 Vera Cruz Dr.
San Jose, CA 95120
(408) 268-1030
San Jose, CA 95120
(408) 268-1030
Grades: K-5
| 547 students
Rank: #66.
Noddin Elementary School
(Math: 70% | Reading: 73%)
Rank:
Rank:
10/
Top 10%10
1755 Gilda Way
San Jose, CA 95124
(408) 356-2126
San Jose, CA 95124
(408) 356-2126
Grades: K-5
| 522 students
Rank: #77.
Dartmouth Middle School
(Math: 61% | Reading: 67%)
Rank:
Rank:
9/
Top 20%10
5575 Dartmouth Dr.
San Jose, CA 95118
(408) 264-1122
San Jose, CA 95118
(408) 264-1122
Grades: 6-8
| 850 students
Rank: #88.
Lietz Elementary School
(Math: 62% | Reading: 58%)
Rank:
Rank:
9/
Top 20%10
5300 Carter Ave.
San Jose, CA 95118
(408) 264-8314
San Jose, CA 95118
(408) 264-8314
Grades: K-5
| 532 students
Frequently Asked Questions
How many schools belong to Union Elementary School District?
Union Elementary School District manages 8 public schools serving 5,368 students.
What is the rank of Union Elementary School District?
Union Elementary School District is ranked #61 out of 1,910 school districts in California (top 5%) based off of combined math and reading proficiency testing data for the 2022-2023 school year. This district ranks in the top 20% of California school districts for: Highest overall rank (Top 5%), Highest math proficiency (Top 5%), Highest reading/language arts proficiency (Top 5%), Highest science proficiency (Top 5%), Most diverse schools (Top 1%) and Largest student body (number of students) (Top 1%)
What is the racial composition of students in Union Elementary School District?
42% of Union Elementary School District students are Asian, 32% of students are White, 16% of students are Hispanic, 9% of students are Two or more races, and 1% of students are Black.
What is the student/teacher ratio of Union Elementary School District?
Union Elementary School District has a student/teacher ratio of 24:1, which is higher than the California state average of 22:1.
What is Union Elementary School District's spending/student ratio?
The school district's spending/student of $16,392 is less than the state median of $18,396. The school district spending/student has grown by 6% over four school years.
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