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School Open
Dismissal: 3:30 PM
Next 7 Days
1 day offApril 2026
Coming Up
2 this weekSchool Breaks
Holidays (No School)
The Centennial School District R-1 school calendar for the 2025-26 school year runs from Wednesday, August 6, 2025 to Thursday, May 21, 2026 in San Luis, Colorado.
- •17 scheduled breaks and 6 holidays throughout the year
- •Spring break: Mar 16 – Mar 19
- •Winter break: Dec 22 – Jan 1
Centennial School District R-1 starts school 13 days earlier than most Colorado districts. Winter break matches the most common Colorado schedule, starting 12/22. Spring break aligns with the most common Colorado schedule.
Download the iCal file above to sync all Centennial School District R-1 dates with your phone or computer.
Frequently Asked Questions
Is Centennial School District R-1 school open today?
Yes, Centennial School District R-1 is open today. Check the weekly calendar above for upcoming school days and closures.
When is the next day off for Centennial School District R-1?
The next day off is Monday, April 6, 2026 for Cesar Chavez Day (observed).
When is the first day of school for Centennial School District R-1?
The first day of school for Centennial School District R-1 in 2025-26 is Wednesday, August 6, 2025.
When is the last day of school for Centennial School District R-1?
The last day of school for Centennial School District R-1 in 2025-26 is Thursday, May 21, 2026.
When is spring break for Centennial School District R-1?
Spring break for Centennial School District R-1 is Monday, March 16, 2026 to Thursday, March 19, 2026.
When is winter break for Centennial School District R-1?
Winter break for Centennial School District R-1 is Monday, December 22, 2025 to Thursday, January 1, 2026.
When do students go back to school after winter break?
Students in Centennial School District R-1 return to school after winter break on Friday, January 2, 2026. Winter break ends on Thursday, January 1, 2026.
When is Thanksgiving break for Centennial School District R-1?
Thanksgiving break for Centennial School District R-1 is Thursday, October 9, 2025 to Thursday, October 9, 2025.
How do I add Centennial School District R-1 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 San Luis, CO in?
San Luis, Colorado is served by Centennial School District R-1. This page shows the 2025-26 school calendar including first day, last day, breaks, and holidays.
When does school start in San Luis?
School in San Luis (Centennial School District R-1) starts on Wednesday, August 6, 2025 for the 2025-26 school year.
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Last updated: December 18, 2025