The bulletin board for America's public schools. Parents, teachers, students, and staff. One community per school.

8 schools in Union Elementary

California · 5,376 students · 2 cities

For families across Union Elementary, public-school options total 8 K-12 schools, with combined enrollment near 5,376 (6 elementary and 2 middle).

4-year change in Union Elementary

SY 2020-21 vs SY 2024-25
Total enrollment
5,376
-347 (-6%) vs SY 2020-21
School count
8
0 (0%) vs SY 2020-21
Source: NCES Common Core of Data, enrollment-weighted demographic averages

How Union Elementary ranks

Among districts
MeasureThis districtIn CaliforniaIn the US
State test proficiency
ranked highest first
74.6%#30 of 534N/A
Enrollment
ranked largest first
5,376#247 of 587#1,785 of 9,234
Number of schools
ranked most first
8#309 of 587N/A
Students per teacher
ranked fewest first
24.2:1#552 of 587#8,958 of 9,044
Free or reduced-price lunch share
ranked highest first
11.7%#557 of 587#7,899 of 8,164
Diversity index
ranked most diverse first
68.7%#78 of 530#549 of 6,853
Districts need at least 2 schools and 500 students to be ranked. Test proficiency is ranked within the state only, since each state gives a different test. Each rank links to the full list.

Inside Union Elementary

State test results across the district's 8 scored schools run from Union Middle at 83.0% proficient to Lietz Elementary at 62.1%, a gap of 20.9 points. That is the 312th widest gap among 458 California districts with four or more scored schools.

Since 2017-18, the 8 district schools that reported both years went from 5,791 to 5,376 students (down 7%) and from 239 to 222 full-time teachers (down 7%), as of 2024-25.

Proficient is the average share of students meeting the state standard across each school's state tests in 2023-24 and 2024-25; schools with fewer than 100 students and schools serving specialized populations are left out. Staffing figures come from the NCES Common Core of Data and count only schools that reported students and teachers in both years.
NameCityLevelGradesEnrollment
Union MiddleSan JoseMiddle06-081,068
Dartmouth MiddleSan JoseMiddle06-08903
Carlton ElementarySan JoseElementaryKG-05656
Oster ElementarySan JoseElementaryKG-05627
Alta Vista ElementaryLos GatosElementaryKG-05584
Guadalupe ElementarySan JoseElementaryKG-05537
Lietz ElementarySan JoseElementaryKG-05501
Noddin ElementarySan JoseElementaryKG-05500

About Union Elementary

As a rural-scale district in California, Union Elementary teaches 5,376 students across 8 schools.

Looking at the level breakdown, Union Elementary is made up of 6 elementary and 2 middle.

On a per-school basis, Union Elementary runs about 672 students per school, 16% meaningfully above the state mean of roughly 578.

Looking at the last 4 years. Across the same 4-year window, public-school enrollment contracted 6%: 5,723 students in SY 2020-21 versus 5,376 in SY 2024-25.

On allk12, the community for Union Elementary discusses open enrollment windows, redistricting talk, and busing logistics. Posts come from current and former families, staff, and alumni.

Frequently asked questions

How many schools are in Union Elementary?
Union Elementary operates 8 public K-12 schools in California, serving approximately 5,376 students.
What is the mix of elementary, middle, and high schools in Union Elementary?
Union Elementary includes 6 elementary schools and 2 middle schools.
What is the largest school in Union Elementary?
Union Middle is the largest public school in Union Elementary by enrollment, with approximately 1,068 students.
What grade levels does Union Elementary serve?
Union Elementary serves students from kindergarten through grade 8 across 8 schools.
What cities does Union Elementary serve?
Union Elementary operates schools in San Jose, Los Gatos across California.