Share with Parents
Help other parents find this calendar
School Open
Dismissal: 3:30 PM
Next 7 Days
May 2026
Coming Up
School Breaks
Holidays (No School)
The Warren County R-III School District school calendar for the 2025-26 school year runs from Tuesday, August 19, 2025 to Wednesday, May 27, 2026 in Pendleton, Missouri.
- •3 scheduled breaks and 7 holidays throughout the year
- •Spring break: Mar 30 – Apr 3
- •Winter break: Dec 24 – Jan 1
Warren County R-III School District starts school 8 days later than most Missouri districts.
Download the iCal file above to sync all Warren County R-III School District dates with your phone or computer.
Frequently Asked Questions
Is Warren County R-III School District school open today?
Yes, Warren County R-III School District is open today. Check the weekly calendar above for upcoming school days and closures.
When is the next day off for Warren County R-III School District?
The next day off is Monday, May 25, 2026 for Memorial Day.
When is the first day of school for Warren County R-III School District?
The first day of school for Warren County R-III School District in 2025-26 is Tuesday, August 19, 2025.
When is the last day of school for Warren County R-III School District?
The last day of school for Warren County R-III School District in 2025-26 is Wednesday, May 27, 2026.
When is spring break for Warren County R-III School District?
Spring break for Warren County R-III School District is Monday, March 30, 2026 to Friday, April 3, 2026.
When is winter break for Warren County R-III School District?
Winter break for Warren County R-III School District is Wednesday, December 24, 2025 to Thursday, January 1, 2026.
When do students go back to school after winter break?
Students in Warren County R-III School District return to school after winter break on Friday, January 2, 2026. Winter break ends on Thursday, January 1, 2026.
When is Thanksgiving break for Warren County R-III School District?
Thanksgiving break for Warren County R-III School District is Wednesday, November 26, 2025 to Friday, November 28, 2025.
How do I add Warren County R-III 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 Pendleton, MO in?
Pendleton, Missouri is served by Warren County R-III School District. This page shows the 2025-26 school calendar including first day, last day, breaks, and holidays.
When does school start in Pendleton?
School in Pendleton (Warren County R-III School District) starts on Tuesday, August 19, 2025 for the 2025-26 school year.
Get Calendar Alerts
We'll email you when Warren County R-III School District updates their calendar.
Other Missouri Districts
Last updated: December 31, 2025
Source: Warren County R-III School District Official Calendar