The Union School District operates six elementary schools (K-5) and two middle schools (6–8) in the greater San Jose, California, USA area. The district serves 4400 students. Confusingly, the district is not a union school district under California law; rather, it was named in honor of the Union Army when founded in 1863, during the American Civil War.

{| class="wikitable"

|+ School Facts

! School name

! Students

! FTE Teachers

! Pupil/Teacher Ratio

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| Alta Vista Elementary School*

| 454

| 19

| 19.4<!--

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| Athenour Elementary School

| ---

| --

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| Carlton Elementary School

| 401

| 19

| 18.5<!--

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| Dartmouth Middle School

| 916

| 41.6

| 21.1<!--

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| Guadalupe Elementary School

| 452

| 15

| 22.6<!--

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| Lietz Elementary School

| 473

| 20

| 18.7<!--

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| Lone Hill Elementary School

| ---

| ---

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| Noddin Elementary School

| 624

| 25

| 20.9<!--

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| Oster Elementary School

| 459

| 13

| 22.2<!--

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| Union Middle School

| 803

| 35.8

| 22.2<!--

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Note: Based on 2002–2003 school year data<br>

<nowiki>*</nowiki>Alta Vista Elementary is in Los Gatos; all the rest are in San Jose.

  • Union School District Website

For budgetary reasons, the District closed Athenour and Lone Hill schools in 2004, after a local property tax initiative failed to pass.