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Next 7 Days
May 2026
Coming Up
School Breaks
Holidays (No School)
The Cornell SD school calendar for the 2025-26 school year runs from Monday, August 4, 2025 to Friday, May 29, 2026 in Allegheny, Pennsylvania.
- •3 scheduled breaks and 6 holidays throughout the year
- •Spring break: Mar 9 – Mar 13
- •Winter break: Dec 22 – Jan 2
Cornell SD starts school 8 days earlier than most Pennsylvania districts. Winter break matches the most common Pennsylvania schedule, starting 12/22.
Download the iCal file above to sync all Cornell SD dates with your phone or computer.
Frequently Asked Questions
Is Cornell SD school open today?
Yes, Cornell SD is open today. Check the weekly calendar above for upcoming school days and closures.
When is the next day off for Cornell SD?
The next day off is Monday, May 25, 2026 for Memorial Day.
When is the first day of school for Cornell SD?
The first day of school for Cornell SD in 2025-26 is Monday, August 4, 2025.
When is the last day of school for Cornell SD?
The last day of school for Cornell SD in 2025-26 is Friday, May 29, 2026.
When is spring break for Cornell SD?
Spring break for Cornell SD is Monday, March 9, 2026 to Friday, March 13, 2026.
When is winter break for Cornell SD?
Winter break for Cornell SD is Monday, December 22, 2025 to Friday, January 2, 2026.
When do students go back to school after winter break?
Students in Cornell SD return to school after winter break on Monday, January 5, 2026. Winter break ends on Friday, January 2, 2026.
When is Thanksgiving break for Cornell SD?
Thanksgiving break for Cornell SD is Monday, November 24, 2025 to Friday, November 28, 2025.
How do I add Cornell SD 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 Allegheny, PA in?
Allegheny, Pennsylvania is served by Cornell SD. This page shows the 2025-26 school calendar including first day, last day, breaks, and holidays.
When does school start in Allegheny?
School in Allegheny (Cornell SD) starts on Monday, August 4, 2025 for the 2025-26 school year.
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Other Pennsylvania Districts
Last updated: December 30, 2025
Source: Cornell SD Official Calendar