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NO SCHOOL: Tuesday, September 2nd, Staff Professional Development Day
2025-2026 Back to School Night
2025-2026 Back to School Night
TK - 2nd 6:00pm - 6:30pm
3rd - 5th 6:35pm - 7:05pm
First Day of School - Wednesday, August 13th
Visit the USD Enrollment page to review the document checklist, requirements, and other information about enrolling your child in Union School District.
New Oster Website
New Oster Website
We are excited to announce our new website presence for all things Oster Elementary! The new website has been updated with the latest information from our school. Please contact us if there is any information you're unable to find.
Latest News
Latest News
School Events
School Events
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