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Next 7 Days
May 2026
Coming Up
1 this weekSchool Breaks
Holidays (No School)
The Northwestern R-I School District school calendar for the 2025-26 school year runs from Tuesday, August 19, 2025 to Thursday, May 14, 2026 in Mendon, Missouri.
- •3 scheduled breaks and 7 holidays throughout the year
- •Spring break: Mar 13 – Mar 20
- •Winter break: Dec 22 – Dec 31
Northwestern R-I School District starts school 8 days later than most Missouri districts. Winter break matches the most common Missouri schedule, starting 12/22.
Download the iCal file above to sync all Northwestern R-I School District dates with your phone or computer.
Frequently Asked Questions
Is Northwestern R-I School District school open today?
Yes, Northwestern 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 Northwestern R-I School District?
There are no more scheduled days off for the 2025-26 school year.
When is the first day of school for Northwestern R-I School District?
The first day of school for Northwestern R-I School District in 2025-26 is Tuesday, August 19, 2025.
When is the last day of school for Northwestern R-I School District?
The last day of school for Northwestern R-I School District in 2025-26 is Thursday, May 14, 2026.
When is spring break for Northwestern R-I School District?
Spring break for Northwestern R-I School District is Friday, March 13, 2026 to Friday, March 20, 2026.
When is winter break for Northwestern R-I School District?
Winter break for Northwestern R-I School District is Monday, December 22, 2025 to Wednesday, December 31, 2025.
When do students go back to school after winter break?
Students in Northwestern R-I School District return to school after winter break on Thursday, January 1, 2026. Winter break ends on Wednesday, December 31, 2025.
When is Thanksgiving break for Northwestern R-I School District?
Thanksgiving break for Northwestern R-I School District is Wednesday, November 26, 2025 to Friday, November 28, 2025.
How do I add Northwestern 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 Mendon, MO in?
Mendon, Missouri is served by Northwestern R-I School District. This page shows the 2025-26 school calendar including first day, last day, breaks, and holidays.
When does school start in Mendon?
School in Mendon (Northwestern R-I School District) starts on Tuesday, August 19, 2025 for the 2025-26 school year.
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Last updated: December 31, 2025