The first day of school in HIGHLAND PARK ISD is Mon, Aug 17, 2026, and the last day of school is Fri, May 21, 2027, according to the district's published calendar. Scheduled breaks include Thanksgiving Break (Mon, Nov 23, 2026 to Fri, Nov 27, 2026), Christmas Break (Fri, Dec 18, 2026 to Fri, Jan 1, 2027), Early Dismissal All - Winter Break - ASP Open (Wed, Dec 23, 2026), School Closed - Winter Break (Thu, Dec 24, 2026 to Fri, Jan 1, 2027), Spring Break (Mon, Mar 15, 2027 to Fri, Mar 19, 2027), Early Dismissal All - Spring Break - ASP Open (Thu, Mar 25, 2027).
- First day of school
- Mon, Aug 17, 2026
- Last day of school
- Fri, May 21, 2027
- Thanksgiving Break
- Mon, Nov 23, 2026 to Fri, Nov 27, 2026
- Christmas Break
- Fri, Dec 18, 2026 to Fri, Jan 1, 2027
- Early Dismissal All - Winter Break - ASP Open
- Wed, Dec 23, 2026
- School Closed - Winter Break
- Thu, Dec 24, 2026 to Fri, Jan 1, 2027
- Spring Break
- Mon, Mar 15, 2027 to Fri, Mar 19, 2027
- Early Dismissal All - Spring Break - ASP Open
- Thu, Mar 25, 2027
- School Closed - Labor Day
- Mon, Sep 7, 2026
- No School - Labor Day
- Mon, Sep 7, 2026
- School Closed - Yom Kippur
- Mon, Sep 21, 2026
- No School - Students
- Fri, Sep 25, 2026
- No School - Columbus Day
- Mon, Oct 12, 2026
- School Closed - Election Day
- Tue, Nov 3, 2026
- School Closed - NJEA Convention
- Thu, Nov 5, 2026 to Fri, Nov 6, 2026
- No School - Students
- Fri, Nov 6, 2026
- Early Dismissal All - Thanksgiving - ASP Open
- Wed, Nov 25, 2026
- School Closed - Thanksgiving
- Thu, Nov 26, 2026 to Fri, Nov 27, 2026