The first day of school in HIGHLAND ISD is Mon, Aug 10, 2026, and the last day of school is Wed, Jun 17, 2026, according to the district's published calendar. Scheduled breaks include Thanksgiving Break begins; no school for students/10- & 11-mo employees (Mon, Nov 23, 2026 to Wed, Nov 25, 2026), No School - Thanksgiving Recess (Wed, Nov 25, 2026 to Fri, Nov 27, 2026), Thanksgiving Break begins; no school for students/all employees (Thu, Nov 26, 2026 to Fri, Nov 27, 2026), Winter Break begins; no school for students/employees (Mon, Dec 21, 2026 to Fri, Jan 1, 2027), No School - Winter Recess (Mon, Dec 21, 2026 to Fri, Jan 1, 2027), No School - Christmas Break (Wed, Dec 23, 2026 to Fri, Jan 1, 2027).
- First day of school
- Mon, Aug 10, 2026
- Last day of school
- Wed, Jun 17, 2026
- Thanksgiving Break begins; no school for students/10- & 11-mo employees
- Mon, Nov 23, 2026 to Wed, Nov 25, 2026
- No School - Thanksgiving Recess
- Wed, Nov 25, 2026 to Fri, Nov 27, 2026
- Thanksgiving Break begins; no school for students/all employees
- Thu, Nov 26, 2026 to Fri, Nov 27, 2026
- Winter Break begins; no school for students/employees
- Mon, Dec 21, 2026 to Fri, Jan 1, 2027
- No School - Winter Recess
- Mon, Dec 21, 2026 to Fri, Jan 1, 2027
- No School - Christmas Break
- Wed, Dec 23, 2026 to Fri, Jan 1, 2027
- Schools closed – Juneteenth
- Thu, Jun 18, 2026
- All offices closed
- Fri, Jul 3, 2026
- Gyms Closed for Cleaning
- Wed, Jul 8, 2026 to Wed, Jul 15, 2026
- Schools Closed; Offices Open
- Fri, Aug 28, 2026
- No School - Labor Day
- Fri, Sep 4, 2026 to Mon, Sep 7, 2026
- Labor Day Holiday - All Schools and Offices Closed
- Mon, Sep 7, 2026
- Labor Day; no school; holiday for students/employees
- Mon, Sep 7, 2026
- Labor Day - No School
- Mon, Sep 7, 2026
- School Holiday
- Mon, Sep 7, 2026
- Yom Kippur- All Schools Closed/ Offices Open
- Mon, Sep 21, 2026