Oster Elementary School

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Oster Entry Way

2023 International Night

Oster Teacher of the Year, Classified Employee of the Year, Volunteer of the Year.  

2023 5th Grade Science Camp

22-23 Spelling Bee

21-22 First Grade Opera

21-22 Kindergarten Sing-A-Long

2022 Girls on the run - 5K

2022 STEAM FAIR

21-22 Cultural Day

2022 School House Rock!

New - Union School District Website Launched | August 5, 2021 

100th Day of School

Global Play Day

Global Play Day

21-22 Kindness Week

Kindness Week

Oster Staff Wish You a Happy and Healthy Holiday Season

TK/Kinder Team Halloween with Kimochi

Office Wall Art by the Kinder Team

Oster 21-22 Yearbook Contest Cover Winner

Ms. Yoshioka's TK class - "Pete the Cat & His Four Groovy Buttons"

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National Read a Book Day 

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Harvest Festival 

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Makerspace

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Global Play Day 2019

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Oster Pink Week

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Spirit Day 2019 - Crazy Hair and Socks Day 

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Kinder Field Trip

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Kinder Class - Chinese New Year Celebration

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Kindergarten Garden

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Kindergarten Garden

Inside OSTER Makerspace

Oster Makerspace

Kindergarten classes work on STEAM project in Oster Makerspace
4th and 5th grade students who are in Girls on the run take a group picture after 5K practice

Girls on the run

Students create cardboard game using Sphereo during after school game design club

Game Design Club - Sphero

Oster educators collaborative learning during Tech Tuesday

Tech Tuesday - Staff Professional Development

Students play jump rope during recess

Recess 101

San Jose Shark visit Oster 1st grade class to promote literacy

Reading is Cool from San Jose Sharks

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Reading is Cool from San Jose Sharks

An Oster Parent dress as Stormtrooper directing traffic after school

Traffic Patrol On Duty

Students doing sit ups on Oster Olympic Day

Olympics Day

2nd grade classes gather together and exercise every Friday morning

2nd Grade - Movement

Family Picnic Day Featured Photo

Family Picnic Day

In celebration of Oster's Distinguished School Award, we will be hosting a family picnic day where parents are welcome to join their students during lunch on Friday, May 26th, from 12:00 pm -12:50 pm. All visitors (grandparents included) planning to attend the picnic must check into our office through our Visitor Management System. Please click on the headline for details.
5th grade promotion Ceremony Featured Photo

5th grade promotion Ceremony

5th Grade Parents, we are excited to celebrate with you the promotion of your student during a ceremony on Wednesday, June 7th, from 10:45-11:45. As the date gets closer more information to come.
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HSC Meeting

Date: 6/7/2023
Time: 6:30 PM – 7:30 PM
Location: OST Website Calendar

Last Day of School

Date: 6/9/2023
Time: 8 AM – 12:30 PM
Location: OST Website Calendar

Board Meeting

Date: 6/12/2023
Time: 6 PM – 7 PM
Location: OST Website Calendar

Board Meeting

Date: 7/10/2023
Time: 6 PM – 7 PM
Location: OST Website Calendar
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