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School Open
Dismissal: 3:30 PM
Next 7 Days
May 2026
Coming Up
School Breaks
Holidays (No School)
The Karnack 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 9 – Mar 13
- •Winter break: Dec 22 – Jan 6
Karnack ISD starts school 158 days earlier than most Texas districts. Winter break matches the most common Texas schedule, starting 12/22. Spring break aligns with the most common Texas schedule.
Download the iCal file above to sync all Karnack ISD dates with your phone or computer.
Frequently Asked Questions
Is Karnack ISD school open today?
Yes, Karnack ISD is open today. Check the weekly calendar above for upcoming school days and closures.
When is the next day off for Karnack ISD?
There are no more scheduled days off for the 2025-26 school year.
When is the first day of school for Karnack ISD?
The first day of school for Karnack ISD in 2025-26 is Wednesday, August 13, 2025.
When is the last day of school for Karnack ISD?
The last day of school for Karnack ISD in 2025-26 is Thursday, May 21, 2026.
When is spring break for Karnack ISD?
Spring break for Karnack ISD is Monday, March 9, 2026 to Friday, March 13, 2026.
When is winter break for Karnack ISD?
Winter break for Karnack ISD is Monday, December 22, 2025 to Tuesday, January 6, 2026.
When do students go back to school after winter break?
Students in Karnack ISD return to school after winter break on Wednesday, January 7, 2026. Winter break ends on Tuesday, January 6, 2026.
When is Thanksgiving break for Karnack ISD?
Thanksgiving break for Karnack ISD is Monday, October 13, 2025 to Tuesday, October 14, 2025.
How do I add Karnack 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