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 2025 school year, there are 8 public elementary schools serving 5,368 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 45% 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 68% of the student body (majority Asian), which is less than the California public elementary school average of 79% (majority Hispanic).

Overview

This School District
This State (CA)
# Schools
8 Schools
7,700 Schools
# Students
5,368 Students
3,822,920 Students
# Teachers
228 Teachers
174,006 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.
This School District
State Average (CA)
#57 out of 1932 school districts
(Top 5%)
74%
34%
75%
47%
65%
29%

Students by Ethnicity:

0.69
0.64
% American Indian
n/a
1%
% Asian
42%
12%
% Hispanic
16%
55%
% Black
1%
5%
% White
32%
21%
% 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.
This School District
This State (CA)
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 Elementary Schools (2025)

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 | 662 students Student-Teacher Ratio: 26:1 Minority enrollment: 67%
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: 24:1 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 | 1,052 student Student-Teacher Ratio: 23:1 Minority enrollment: 60%
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 | 576 students Student-Teacher Ratio: 24:1 Minority enrollment: 63%
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 | 547 students Student-Teacher Ratio: 25:1 Minority enrollment: 72%
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 | 522 students Student-Teacher Ratio: 24:1 Minority enrollment: 72%
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 | 850 students Student-Teacher Ratio: 21:1 Minority enrollment: 67%
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 | 532 students Student-Teacher Ratio: 23:1 Minority enrollment: 72%

Recent Articles

Opinion: Handcuffing in Public Schools is a Gateway to More Violence
Opinion: Handcuffing in Public Schools is a Gateway to More Violence
Some districts are banning handcuffing, while others are cuffing kindergarteners simply throwing a temper tantrum. Read this editorial to see why this author believes slapping the cuffs on children’s wrists only leads to more behavior issues and violence in their adult lives.
Whooping Cough: Should Vaccinations be Required for Public School Enrollment?
Whooping Cough: Should Vaccinations be Required for Public School Enrollment?
Whopping cough is making a comeback, especially amongst children, prompting health officials to encourage pertussis vaccines and boosters. However, should the pertussis vaccine be required for public school enrollment? Learn about current proposed laws and its ramifications.
What are Common Core Standards and Why Do We Need Them?
What are Common Core Standards and Why Do We Need Them?
With schools nationwide adopting common core standards, we’ll take a look at what they are, their benefits, and how they will change the face of public education.

Quick Facts (2025)

  • District size: 8 schools
  • Grades: KG-08
  • Enrollment: 5,368 students
  • Student-Teacher Ratio: 24:1
  • Minority Enrollment: 68%
  • : Top 5% in CA
  • : 74% (Top 5%)
  • : 75% (Top 5%)
  • : 65% (Top 5%)
  • Source: National Center for Education Statistics (NCES), CA Dept. of Education

Quick Links