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Next 7 Days
October 2026
Coming Up
School Breaks
Holidays (No School)
The Fort Osage R-I School District school calendar for the 2026-27 school year runs from Tuesday, August 25, 2026 to Thursday, May 27, 2027 in Sibley, Missouri.
- •3 scheduled breaks and 3 holidays throughout the year
- •Spring break: Apr 22 – Apr 26
- •Winter break: Dec 21 – Jan 1
Fort Osage R-I School District starts school 379 days later than most Missouri districts. Winter break starts 364 days later than the most common Missouri schedule.
Download the iCal file above to sync all Fort Osage R-I School District dates with your phone or computer.
Frequently Asked Questions
Is Fort Osage R-I School District school open today?
Yes, Fort Osage R-I School District is open today. Check the weekly calendar above for upcoming school days and closures.
When is the next day off for Fort Osage R-I School District?
The next day off is Thanksgiving Break, starting Wednesday, November 25, 2026.
When is the first day of school for Fort Osage R-I School District?
The first day of school for Fort Osage R-I School District in 2026-27 is Tuesday, August 25, 2026.
When is the last day of school for Fort Osage R-I School District?
The last day of school for Fort Osage R-I School District in 2026-27 is Thursday, May 27, 2027.
When is spring break for Fort Osage R-I School District?
Spring break for Fort Osage R-I School District is Thursday, April 22, 2027 to Monday, April 26, 2027.
When is winter break for Fort Osage R-I School District?
Winter break for Fort Osage R-I School District is Monday, December 21, 2026 to Friday, January 1, 2027.
When do students go back to school after winter break?
Students in Fort Osage R-I School District return to school after winter break on Monday, January 4, 2027. Winter break ends on Friday, January 1, 2027.
When is Thanksgiving break for Fort Osage R-I School District?
Thanksgiving break for Fort Osage R-I School District is Wednesday, November 25, 2026 to Friday, November 27, 2026.
How do I add Fort Osage R-I School District 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 Sibley, MO in?
Sibley, Missouri is served by Fort Osage R-I School District. This page shows the 2026-27 school calendar including first day, last day, breaks, and holidays.
When does school start in Sibley?
School in Sibley (Fort Osage R-I School District) starts on Tuesday, August 25, 2026 for the 2026-27 school year.
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Last updated: August 24, 2026