Dec 21, 2026 to Dec 31, 2026 recess; Jan 1 New Year's Day; Jan 4 2027 Staff PD no classes
MLK Day
Jan 18, 2027
Presidents Day
Feb 15, 2027 (Staff PD Day, no classes)
Memorial Day
May 31, 2027
Other closures listed
Other closures
Staff PD Sept 21, Oct 9, Nov 6; Spring recess Mar 8, 2027 to 03-12 and 03-26; Apr 16 2027 Staff PD
Source
Houston ISD official 2026-27 calendar. Last verified October 28, 2026. Calendars can be amended by the school board, so check the district site for changes.