At a glance
Dallas ISD’s approved 2025–26 calendar sets the school year rhythm for one of the nation’s largest districts. For parents, knowing district-wide closures, student assessment blocks, and professional learning days is essential for homework planning and childcare logistics.
Official calendar: DISD 2025–26 Approved Calendar (PDF)

Key Dates & Holidays
Date(s) | Event |
---|---|
Aug 11, 2025 | First day of school |
Sep 1, 2025 | Labor Day — No school |
Oct 13–17, 2025 | Fall break / Possible conference days |
Nov 24–28, 2025 | Thanksgiving break |
Dec 22, 2025–Jan 5, 2026 | Winter break |
Mar 9–13, 2026 | Spring break |
May 27, 2026 | Last day of school |
How parents should use the DISD calendar
Dallas ISD often staggers professional development days and provides district-wide testing windows. Parents should:
- Look for campus-level adjustments — bell times and early-release days vary.
- Note that secondary students have concentrated exam weeks; avoid travel during exam windows.
- Plan childcare for festival-season weeks (October and December) when many parents take time off.
Mini-case: juggling siblings across campuses
Families with high-school and elementary students often face conflicting schedules (early release for elementary, late club meetings for high school). A practical solution is to create a shared Google Calendar and color-code students’ events so conflicting times are visible instantly.
Concluding advice
Download the DISD calendar PDF and immediately add the last-week-of-May end date to your family calendar. This end date is the fulcrum for summer plans and early child-care reimbursements.