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School Open
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Next 7 Days
1 day offApril 2026
Coming Up
1 this weekSchool Breaks
Holidays (No School)
The Slidell ISD school calendar for the 2025-26 school year runs from Wednesday, August 13, 2025 to Thursday, May 21, 2026 in Texas.
- •4 scheduled breaks and 3 holidays throughout the year
- •Spring break: Mar 16 – Mar 20
- •Winter break: Dec 19 – Dec 31
Slidell ISD starts school 158 days earlier than most Texas districts. Winter break starts 3 days earlier than the most common Texas schedule.
Download the iCal file above to sync all Slidell ISD dates with your phone or computer.
Frequently Asked Questions
Is Slidell ISD school open today?
Yes, Slidell ISD is open today. Check the weekly calendar above for upcoming school days and closures.
When is the next day off for Slidell ISD?
The next day off is Thursday, April 2, 2026 for Good Friday.
When is the first day of school for Slidell ISD?
The first day of school for Slidell ISD in 2025-26 is Wednesday, August 13, 2025.
When is the last day of school for Slidell ISD?
The last day of school for Slidell ISD in 2025-26 is Thursday, May 21, 2026.
When is spring break for Slidell ISD?
Spring break for Slidell ISD is Monday, March 16, 2026 to Friday, March 20, 2026.
When is winter break for Slidell ISD?
Winter break for Slidell ISD is Friday, December 19, 2025 to Wednesday, December 31, 2025.
When do students go back to school after winter break?
Students in Slidell ISD return to school after winter break on Thursday, January 1, 2026. Winter break ends on Wednesday, December 31, 2025.
When is Thanksgiving break for Slidell ISD?
Thanksgiving break for Slidell ISD is Monday, October 13, 2025 to Friday, October 17, 2025.
How do I add Slidell ISD 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.
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Last updated: December 15, 2025