Last Day of School Early Dismissal - June 5, 2026 at 12:15pm

Oster

Elementary School

A California Distinguished School

2025 - 2026 Bell Schedule

New Student Enrollment for the 2026 -27 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

2025 - 2026 Bell Schedule

2025 - 2026 Union School District Calendar

2026 -2027 Union School District Calendar

26 -27 First Day of School - Wednesday, August 12, 2026

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