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Planning ahead for the school year is essential for teachers, substitutes, and families. Dallas ISD has released its 2026–2027 academic calendar, and we’ve broken down the most important dates, holidays, and breaks so you can stay organized.
Whether you’re a parent arranging vacations, a teacher mapping out lesson plans, or a substitute looking to maximize your availability, here are the important dates on this year's calendar.
When does Dallas ISD go back to school in 2026?
Dallas ISD students go back to school on Tuesday, August 11, 2026. That’s the DISD start date for the 2026–2027 school year — the week right after Texas tax-free weekend.
Dallas ISD 2026–2027 Calendar: Key Dates
- DISD First Day of School 2026: August 11, 2026 (Tuesday)
- Thanksgiving Break 2026: November 23–27, 2026
- Winter Break 2026–27: December 18, 2026 – January 5, 2027
- Spring Break 2027: March 15–19, 2027
- DISD Last Day of School 2027: May 26, 2027 (Wednesday)
Some ADSY (Additional Days School Year) campuses start earlier and add select Saturdays. For the full approved calendar, see the Dallas ISD district calendars page. Subbing in Dallas this year? Browse substitute teacher jobs in Dallas–Fort Worth.
Looking for last year? This page now covers the current 2026–2027 Dallas ISD calendar above; the 2025–2026 dates have been archived.
Stay Prepared with HelloSubs
At HelloSubs, we make it easy for substitute teachers to find opportunities across Dallas and beyond. By staying on top of the school calendar, you can plan ahead and ensure you’re ready when schools need you most.
👉 Apply today to join HelloSubs as a substitute teacher and start connecting with schools in Dallas.
Disclaimer: The dates in this post are based on the Dallas ISD 2026–2027 school calendar available at the time of writing. School districts may update calendars throughout the year, so we recommend checking the Dallas ISD calendar page for the most up-to-date information.
