Union Elementary School District

5175 Union Ave.
San Jose, CA 95124-5434
(District boundaries shown in map)
: 
10/
10
Top 5%

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 2026-27 school year, there are 8 public elementary schools serving 5,376 students in Union Elementary School District. This district's average elementary testing ranking is 10/10, which is in the top 5% of public elementary schools in California.
Public Elementary Schools in Union Elementary School District have an average math proficiency score of 74% (versus the California public elementary school average of 36%), and reading proficiency score of 75% (versus the 46% statewide average).
The top-ranked public elementary 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. Minority enrollment is 70% of the student body (majority Asian), which is less than the California public elementary school average of 80% (majority Hispanic).

Overview

This School District
This State (CA)
# Schools
8 Schools
7,664 Schools
# Students
5,376 Students
3,815,621 Students
# Teachers
224 Teachers
173,890 Teachers
Student-Teacher Ratio
24:1
24:1

Student By Grade

District Rank

Union Elementary School District, which is ranked #61 of all 1,903 school districts in California (based off of combined math and reading proficiency testing data) for the 2022-2023 school year.
This School District
State Average (CA)
#57 out of 1932 school districts
(Top 5%)
74%
34%
75%
47%
65%
29%
(2022-23)
10.5%
27.7%

Students by Ethnicity:

0.69
0.64
% American Indian
n/a
n/a
% Asian
43%
12%
% Hispanic
17%
56%
% Black
1%
5%
% White
30%
20%
% Hawaiian
n/a
n/a
% Two or more races
9%
7%
All Ethnic Groups

District Revenue and Spending

The revenue/student of $20,316 in this school district is less than the state median of $26,022. The school district revenue/student has grown by 16% over four school years.
The school district's spending/student of $18,579 is less than the state median of $22,604. The school district spending/student has grown by 12% over four school years.
This School District
This State (CA)
Total Revenue
$109 MM
$150,628 MM
Spending
$100 MM
$130,845 MM
Revenue / Student
$20,316
$26,022
Spending / Student
$18,579
$22,604

Best Union Elementary School District Public Elementary Schools (2026-27)

School
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Carlton Elementary School
(Math: 83% | Reading: 84%)
Rank:
10/
10
Top 5%
2421 Carlton Ave.
San Jose, CA 95124
(408) 356-1141
Gr: K-5 | 656 students Student-teacher ratio: 25:1 Minority enrollment: 69%
Rank: #22.
Oster Elementary School
(Math: 81% | Reading: 81%)
Rank:
10/
10
Top 5%
1855 Lencar Way
San Jose, CA 95124
(408) 266-8121
Gr: K-5 | 627 students Student-teacher ratio: 26:1 Minority enrollment: 76%
Rank: #33.
Union Middle School
(Math: 81% | Reading: 80%)
Rank:
10/
10
Top 5%
2130 Los Gatos-almaden Rd.
San Jose, CA 95124
(408) 371-0366
Gr: 6-8 | 1,068 students Student-teacher ratio: 24:1 Minority enrollment: 64%
Rank: #44.
Alta Vista Elementary School
(Math: 79% | Reading: 80%)
Rank:
10/
10
Top 5%
200 Blossom Valley Rd.
Los Gatos, CA 95032
(408) 356-6146
Gr: K-5 | 584 students Student-teacher ratio: 25:1 Minority enrollment: 64%
Rank: #55.
Guadalupe Elementary School
(Math: 78% | Reading: 73%)
Rank:
10/
10
Top 10%
6044 Vera Cruz Dr.
San Jose, CA 95120
(408) 268-1030
Gr: K-5 | 537 students Student-teacher ratio: 27:1 Minority enrollment: 73%
Rank: #66.
Noddin Elementary School
(Math: 70% | Reading: 73%)
Rank:
10/
10
Top 10%
1755 Gilda Way
San Jose, CA 95124
(408) 356-2126
Gr: K-5 | 500 students Student-teacher ratio: 23:1 Minority enrollment: 75%
Rank: #77.
Dartmouth Middle School
(Math: 61% | Reading: 67%)
Rank:
9/
10
Top 20%
5575 Dartmouth Dr.
San Jose, CA 95118
(408) 264-1122
Gr: 6-8 | 903 students Student-teacher ratio: 22:1 Minority enrollment: 69%
Rank: #88.
Lietz Elementary School
(Math: 62% | Reading: 58%)
Rank:
9/
10
Top 20%
5300 Carter Ave.
San Jose, CA 95118
(408) 264-8314
Gr: K-5 | 501 students Student-teacher ratio: 23:1 Minority enrollment: 74%

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Quick Facts (2026-27)

  • District size: 8 schools
  • Grades: K-08
  • Enrollment: 5,376 students
  • Student-Teacher Ratio: 24:1
  • Minority Enrollment: 70%
  • : Top 5% in CA
  • : 74% (Top 5%)
  • : 75% (Top 5%)
  • : 65% (Top 5%)
  • Source: National Center for Education Statistics (NCES), CA Dept. of Education

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