Cobb County School District Calendar 2027-2028
Marietta, Georgia · from the district's official calendar, checked Oct 2, 2026
First day of school
Monday, August 2, 2027
Last day of school
Wednesday, May 17, 2028
School days
174
Weekdays off
34Longest break: Winter break (11 school days)
School starts in
304 daysMonday, August 2, 2027
- Break: Sep 20–24
- Thanksgiving break: Nov 22–26
- Winter break: Dec 20 – Jan 3
- Break: Feb 21–25
- Spring Holidays: Apr 3–7
Days off and schedule changes
Every day that changes something for families. Where it says “the district calls it”, that is the district's own wording.
- Sep 6 · MonNo school · Labor DayThe district calls it: “Labor Day”
- Sep 20–24 · MonNo schoolThe district calls it: “Holiday - School Closed”
- Nov 2 · TueNo schoolThe district calls it: “Election Day - Student Holiday/Staff Day”
- Nov 22–26 · MonNo school · Thanksgiving breakThe district calls it: “Holiday - School Closed”
- Dec 20–31 · MonNo school · Winter breakThe district calls it: “Holiday - School Closed”
- Jan 3 · MonNo schoolThe district calls it: “Student Holiday/Staff Day”
- Jan 17 · MonNo school · Martin Luther King Jr. DayThe district calls it: “MLK Day”
- Feb 21–25 · MonNo schoolThe district calls it: “Holiday - School Closed”
- Apr 3–7 · MonNo schoolThe district calls it: “Spring Holidays”
The 2027-2028 school year at a glance
Jul 2027
Aug 2027 22 school days
Sep 2027 16 school days
Oct 2027 21 school days
Nov 2027 16 school days
Dec 2027 13 school days
Jan 2028 19 school days
Feb 2028 16 school days
Mar 2028 23 school days
Apr 2028 15 school days
May 2028 13 school days
Jun 2028
- 1 School day
- 1 Learning from home
- 1 No school
- 1 Weekend / outside the school year
- 1 First / last day
- 1 Early release
- 1 Late start
- 1 Possible make-up day
- 1 Only some grades (pick a grade)
Other dates
Dates that do not change the school day: grading periods, report cards, orientations.
- Aug 2First day of schoolThe district calls it: “First Day of School”
- May 17Last day of schoolThe district calls it: “Last Day of School”
Where these dates come from
Source: Cobb County School District official 2027-2028 calendar, retrieved Sep 23, 2026.
Checked day by day against the district's calendar on Oct 2, 2026. The district does not print a total of school days, so there is no total to compare our count with. How we check.
Districts sometimes revise their calendars, and make-up days depend on weather. Confirm with Cobb County School District before booking travel.
Nearby districts
- DeKalb County School DistrictFirst day Aug 3, 2026 · last day May 27, 2027
- Fulton County SchoolsFirst day Aug 3, 2026 · last day May 27, 2027
- Gwinnett County Public SchoolsFirst day Aug 5, 2026 · last day May 26, 2027
- Forsyth County SchoolsFirst day Aug 6, 2026 · last day May 27, 2027
- Clayton County Public SchoolsFirst day Aug 3, 2026 · last day May 26, 2027
- Atlanta Public SchoolsFirst day Aug 3, 2026 · last day May 27, 2027
Cobb County School District 2027-2028 · checked Oct 2, 2026 · confirm with the district · source: https://media.cobbk12.org/media/WWWCobb/medialib/2027-2028-year-at-a-glance.67e902113515.pdf