The Cobb County School Calendar for the 2017 to 2018 school year begins on Monday, July 31, 2017 and ends on Wednesday, May 23, 2018.  The start date is one day earlier than last year, and the end date is day earlier than last year, May 23, 2018.

School holidays:

  • First Day of School – July 31, 2016
  • Labor Day – September 4, 2017
  • Fall Break – September 25 – 29, 2017
  • Student Holiday/Staff Workday – November 7, 2017
  • Thanksgiving Holidays – November 20 – 24, 2017
  • Winter Holidays –  December 21, 2017 to January 3, 2018
  • Martin Luther King Jr Day – January 15, 2018
  • Winter Break – February 19 – 23, 2018
  • Spring Break – April 2 – 6, 2018
  • Early Release Day – May 22 – 23, 2018
  • Last Day of School – May 23, 2018

School Calendar Guidelines and Notes:
The calendar includes the required 180 school days or its equivalent.  First semester includes 91 days and ends prior to Winter Holidays.  Second semester includes 89 days, and ends prior to Memorial Day.  Fall Break begins on the fourth Monday in September.  Winter Break begins on the third Monday in April (President’s Day).  Spring Break begins on the first Monday in April, providing consistency with other metro school systems. The school year ends on a Wednesday to provide enough time to schedule graduation ceremonies.

Upcoming Cobb County School Calendars:
Cobb County School Calendar 2018-2019
Cobb County School Calendar 2019-2020

Marietta City School Calendars:
Marietta City School Calendar 2017-2018
Marietta City School Calendar 2018-2019
Marietta City School Calendar 2019-2020

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    • Early release time varies based on grade levels. High School students are released at 11:30am, Middle School students are released at 12:30pm, and Elementary School students are released at 1:30pm. Busses will proceed with their normal routes at the early dismissal time for each school.

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