Major 2017 - 2018 Houston Academic Year Dates to Know

Houston ISD School Holidays

2017
  • August 28 - First Day of School
  • September 4 - Labor Day
  • September 22 - Fall Holiday
  • November 20 - 24 - Thanksgiving

Winter Break
  • December 25 - January 5, 2018​ ​
2018
  • January 15 - MLK Day
  • March 12 - 16 - Spring Break
  • March 30 - Spring Holiday
  • May 28 - Memorial Day
  • June 1 - Last Day of School

K12 School Applications & Testing

​2017
  • November 11 - Popular ISEE Test Date 1
  • December 8 - HISD Magnet Deadline
  • December 12 - Common Private School Deadline

2018
  • January 15 - Common Private School Deadline
  • January 20 - Popular ISEE Test Date 2
  • March 9 - Private School Application Status Available (projected)
  • March 22 - HISD Application Magnet Status Available (projected)
  • April 5 - HISD Magnet Offer Deadline to Accept (projected)

View more ISEE test dates and locations

College Applications & Testing

2017
  • August 26 - SAT
  • September 9 - ACT
  • October 7 - SAT
  • October 11 or 14 - PSAT (Juniors)
  • October 28 - ACT
  • November 1 - Common Early Decision Deadline
  • November 4 - SAT
  • December 2 - SAT (Last Date for Seniors)
  • December 9 - ACT (Last Date for Seniors)
  • ​

2018
  • January 1 - Common Regular Decision Deadline
  • February 10 - ACT
  • March 10 - SAT
  • April 10 - SAT for HISD Only
  • April 14 - ACT
  • May 1 - Common Deadline to Accept College Offer of Admission
  • May 5 - SAT
  • June 2 - SAT
  • June 9 - ACT
  • July 14 - ACT (new for 2018)