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Weekend
Next 7 Days
October 2026
Coming Up
School Breaks
Holidays (No School)
The Griggs County Central School District 18 school calendar for the 2026-27 school year runs from Thursday, August 20, 2026 to Friday, May 21, 2027 in Cooperstown, North Dakota.
- •5 scheduled breaks and 6 holidays throughout the year
- •Spring break: Mar 4 – Mar 5
- •Winter break: Dec 21 – Jan 1
Griggs County Central School District 18 starts school 365 days later than most North Dakota districts. Winter break starts 364 days later than the most common North Dakota schedule.
Download the iCal file above to sync all Griggs County Central School District 18 dates with your phone or computer.
Frequently Asked Questions
Is Griggs County Central School District 18 school open today?
No, today is Saturday - school is not in session on weekends.
When is the next day off for Griggs County Central School District 18?
The next day off is No School (PT Comp), starting Thursday, October 22, 2026.
When is the first day of school for Griggs County Central School District 18?
The first day of school for Griggs County Central School District 18 in 2026-27 is Thursday, August 20, 2026.
When is the last day of school for Griggs County Central School District 18?
The last day of school for Griggs County Central School District 18 in 2026-27 is Friday, May 21, 2027.
When is spring break for Griggs County Central School District 18?
Spring break for Griggs County Central School District 18 is Thursday, March 4, 2027 to Friday, March 5, 2027.
When is winter break for Griggs County Central School District 18?
Winter break for Griggs County Central School District 18 is Monday, December 21, 2026 to Friday, January 1, 2027.
When do students go back to school after winter break?
Students in Griggs County Central School District 18 return to school after winter break on Monday, January 4, 2027. Winter break ends on Friday, January 1, 2027.
When is Thanksgiving break for Griggs County Central School District 18?
Thanksgiving break for Griggs County Central School District 18 is Wednesday, November 25, 2026 to Friday, November 27, 2026.
How do I add Griggs County Central School District 18 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 Cooperstown, ND in?
Cooperstown, North Dakota is served by Griggs County Central School District 18. This page shows the 2026-27 school calendar including first day, last day, breaks, and holidays.
When does school start in Cooperstown?
School in Cooperstown (Griggs County Central School District 18) starts on Thursday, August 20, 2026 for the 2026-27 school year.
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Other North Dakota Districts
Last updated: August 23, 2026
Source: Griggs County Central School District 18 Official Calendar