New Student Enrollment for the 2025-26 School Year 

Visit the USD Enrollment page to review the document checklist, requirements, and other information about enrolling your child in Union School District.

2025 -2026 Oster Elementary School Enrollment Presentation

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.