Oster Elementary School

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Oster Entry Way

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

TK/Kinder Team Halloween with Kimochi

Office Wall Art by the Kinder Team

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

1st grade classes perform Annual First Grade Opera

First Grade Opera

Parent Safety Patrol Help Needed Featured Photo

Parent Safety Patrol Help Needed

Oster is in need of a few parents to help support during pick-up times. If you are available from 2:35-2:55 one or more days per week or want more information about the open position, please send an email to Ellen Mace at macee@unionsd.org Thank you!
Adult on Campus Featured Photo

Adult on Campus

Beginning Monday, November 2nd, parents/guardians will have the option to walk their child to their classroom at our schools as long as masks are worn by all adults and students while on campus. Parents/guardians may walk their child to the classroom door, however, must stay outside of the classroom and may be on campus for the first 10 minutes prior to the start of the school day. Click above for important messages.
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After School Chess

Date: 12/6/2021
Time: 2:45 PM – 3:45 PM
Location: OST Website Calendar

HSC Meeting

Date: 12/8/2021
Time: 6 PM – 7 PM
Location: OST Website Calendar

After School Chess

Date: 12/13/2021
Time: 2:45 PM – 3:45 PM
Location: OST Website Calendar
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