High Island ISD Calendar 2026-2027
Galveston County · Houston area (Region 4)
The High Island ISD academic calendar for the 2026-2027 school year starts on Tuesday, August 4, 2026 and ends on Thursday, May 20, 2027. Through the fall, families can plan around Labor Day on September 7, a fall break from October 1 through 8, and the Thanksgiving break from November 23 through 27. The winter break runs from December 21 through 31. In the second semester, the calendar includes a spring break from March 8 through 12.
Last updated August 4, 2026
Official Calendar
Printable calendar (PDF)
PDF Full-year High Island ISD calendar with every key date — district logo, color legend and a QR code to this page.
Interactive calendar
Browse the key dates month by month — colored markers show each event.
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Calendar Dates
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Frequently asked questions
When is the first day of school for High Island ISD in 2026-2027?
The first day of school for High Island ISD is Tuesday, August 4, 2026.
When is the last day of school for High Island ISD in 2026-2027?
The last day of school for High Island ISD is Thursday, May 20, 2027.
When is Thanksgiving break for High Island ISD?
High Island ISD has Thanksgiving break from November 23 through 27, 2026.
When is winter break for High Island ISD?
High Island ISD's winter break runs from December 21 through 31.
When is spring break for High Island ISD in 2026-2027?
High Island ISD's spring break is March 8 through 12, 2027.
When is fall break for High Island ISD?
High Island ISD has a fall break from October 1 through 8, 2026.
Does High Island ISD have school on Labor Day?
No. High Island ISD is closed for Labor Day on Monday, September 7, 2026.
When is the first day of school in High Island ISD for 2026-2027?
The first day of school in High Island ISD for the 2026-2027 school year is August 4, 2026.
When is Spring Break in High Island ISD for 2026-2027?
Spring Break in High Island ISD is from March 8 through March 12, 2027.
When is Christmas Break in High Island ISD for 2026-2027?
Christmas Break in High Island ISD begins on December 21, 2026, and continues through January 1, 2027. Students return on January 4, 2027.
When is Winter Break in High Island ISD for 2026-2027?
Winter Break in High Island ISD is from December 21, 2026, through January 1, 2027. Students return to school on January 4, 2027.
When is Thanksgiving Break in High Island ISD for 2026-2027?
Thanksgiving Break in High Island ISD is from November 23 through November 27, 2026. Students return on November 30, 2026.
When is the last day of school in High Island ISD for 2026-2027?
The last day of school in High Island ISD is May 20, 2027. It is also an early-release day and includes the Senior Walk.
When is Fall Break in High Island ISD for 2026-2027?
Fall Break and the Rice Festival holiday are from October 1 through October 8, 2026.
When does High Island ISD begin its four-day school week in 2026-2027?
High Island ISD begins its four-day school week, with Fridays off, on October 9, 2026.
When is Labor Day in High Island ISD for 2026-2027?
High Island ISD observes Labor Day on September 7, 2026.
When are the staff development days in High Island ISD for 2026-2027?
Staff development days are scheduled for July 27 through July 31, 2026, and August 3, 2026.
When does the first nine-week grading period end in High Island ISD?
The first nine-week grading period ends on September 30, 2026.
When does the second nine-week grading period begin in High Island ISD?
Students return and the second nine-week grading period begins on October 12, 2026.
When does the third nine-week grading period begin in High Island ISD?
Students return and the third nine-week grading period begins on January 4, 2027.
When does the fourth nine-week grading period begin in High Island ISD?
The fourth nine-week grading period begins on March 15, 2027.
When is Easter Break in High Island ISD for 2026-2027?
Easter Break in High Island ISD is from March 26 through March 29, 2027.
When are the early-release days in High Island ISD for 2026-2027?
Early-release days are November 19, 2026, December 17, 2026, and May 20, 2027.
When are High Island ISD high school finals for 2026-2027?
High school finals are scheduled for December 14 through December 17, 2026, and May 10 through May 13, 2027.
When is High Island ISD graduation in 2027?
High Island ISD high school graduation is scheduled for May 21, 2027.
When is STAAR RLA testing in High Island ISD for 2026-2027?
STAAR RLA testing is scheduled from April 5 through April 16, 2027.
When is STAAR Science and History testing in High Island ISD for 2026-2027?
STAAR Science and History testing is scheduled from April 12 through April 23, 2027.
When is STAAR Math testing in High Island ISD for 2026-2027?
STAAR Math testing is scheduled from April 19 through April 30, 2027.