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Next 7 Days
May 2026
Coming Up
2 this weekSchool Breaks
Holidays (No School)
The Oswego Unified School District 504 school calendar for the 2025-26 school year runs from Monday, August 18, 2025 to Friday, May 22, 2026 in Oswego, Kansas.
- •3 scheduled breaks and 5 holidays throughout the year
- •Spring break: Mar 16 – Mar 20
- •Winter break: Dec 22 – Jan 2
Oswego Unified School District 504 starts school around the same time as most Kansas districts. Winter break matches the most common Kansas schedule, starting 12/22. Spring break aligns with the most common Kansas schedule.
Download the iCal file above to sync all Oswego Unified School District 504 dates with your phone or computer.
Frequently Asked Questions
Is Oswego Unified School District 504 school open today?
Yes, Oswego Unified School District 504 is open today. Check the weekly calendar above for upcoming school days and closures.
When is the next day off for Oswego Unified School District 504?
The next day off is Monday, May 25, 2026 for Memorial Day.
When is the first day of school for Oswego Unified School District 504?
The first day of school for Oswego Unified School District 504 in 2025-26 is Monday, August 18, 2025.
When is the last day of school for Oswego Unified School District 504?
The last day of school for Oswego Unified School District 504 in 2025-26 is Friday, May 22, 2026.
When is spring break for Oswego Unified School District 504?
Spring break for Oswego Unified School District 504 is Monday, March 16, 2026 to Friday, March 20, 2026.
When is winter break for Oswego Unified School District 504?
Winter break for Oswego Unified School District 504 is Monday, December 22, 2025 to Friday, January 2, 2026.
When do students go back to school after winter break?
Students in Oswego Unified School District 504 return to school after winter break on Monday, January 5, 2026. Winter break ends on Friday, January 2, 2026.
When is Thanksgiving break for Oswego Unified School District 504?
Thanksgiving break for Oswego Unified School District 504 is Monday, November 24, 2025 to Friday, November 28, 2025.
How do I add Oswego Unified School District 504 calendar to my phone?
Click the "Add to Calendar" button at the top of this page to download the iCal (.ics) file. Then:
iPhone/iPad: Tap the downloaded file, then tap "Add All" to add events to your Calendar app.
Android: Open the file with Google Calendar, review the events, and tap "Import".
Google Calendar (web): Go to Settings → Import & Export → Select the .ics file → Import.
Outlook: Double-click the file or drag it into your Outlook calendar.
Apple Calendar (Mac): Double-click the file or go to File → Import → select the .ics file.
What school district is Oswego, KS in?
Oswego, Kansas is served by Oswego Unified School District 504. This page shows the 2025-26 school calendar including first day, last day, breaks, and holidays.
When does school start in Oswego?
School in Oswego (Oswego Unified School District 504) starts on Monday, August 18, 2025 for the 2025-26 school year.
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Last updated: January 2, 2026
Source: Oswego Unified School District 504 Official Calendar