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School Open
Dismissal: 3:30 PM
Next 7 Days
October 2026
Coming Up
School Breaks
The Warren County R-III School District school calendar for the 2026-27 school year runs from Tuesday, August 25, 2026 to Thursday, June 3, 2027 in Pendleton, Missouri.
- •1 scheduled break and 0 holidays throughout the year
- •Spring break: Mar 22 – Mar 26
Warren County R-III School District starts school 379 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 Spring Break, starting Monday, March 22, 2027.
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 2026-27 is Tuesday, August 25, 2026.
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 2026-27 is Thursday, June 3, 2027.
When is spring break for Warren County R-III School District?
Spring break for Warren County R-III School District is Monday, March 22, 2027 to Friday, March 26, 2027.
When is winter break for Warren County R-III School District?
Winter break dates for Warren County R-III School District are not yet available.
When do students go back to school after winter break?
The date students return after winter break for Warren County R-III School District is not yet available.
When is Thanksgiving break for Warren County R-III School District?
Thanksgiving break dates for Warren County R-III School District are not yet available.
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 2026-27 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 25, 2026 for the 2026-27 school year.
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Other Missouri Districts
Last updated: September 22, 2026
Source: Warren County R-III School District Official Calendar