Hattiesburg High SchoolSchool Calendar
2026-27 Academic Calendar
Key dates, holidays, and events for Hattiesburg High School.
School at a Glance
Upcoming events & academic holidays2026-27 Academic Year
SEP
1
Progress Reports
SEP
7
Staff and Student Holiday
OCT
2
1st Term Ends
OCT
5
Fall Break
OCT
20
Report Cards
NOV
17
Progress Reports
NOV
23
Thanksgiving Break
DEC
18
60% Day for Students / 2nd Term Ends
DEC
21
Christmas Break
JAN
4
Professional Development
JAN
5
Students Return to School
JAN
12
Report Cards
JAN
18
Dr. Martin Luther King, Jr. Holiday
FEB
2
Progress Reports
FEB
15
Professional Development / Student Holiday
MAR
11
3rd Term Ends
MAR
15
Spring Break
MAR
23
Report Cards
MAR
26
Good Friday Holiday
APR
20
Progress Reports
MAY
20
60% Day for Students / 4th Term Ends
MAY
21
Professional Development
MAY
31
No School
District Offices Closed
Calendar TipEarly dismissal days and parent-teacher conferences are often updated 2 weeks in advance. Check back regularly to stay ahead of the schedule!
Standardized Test Dates
Upcoming national, state, and school calendar dates that affect students at Hattiesburg High School.
National Tests
August 1, 2026 – November 30, 2026
ISEE — Fall Testing Season
Testing window
August 3, 2026 – June 30, 2027
SSAT — Flex Testing
Testing window
August 22, 2026
SAT — National
Test date
August 28, 2026
SAT — National
Registration deadline
September 1, 2026
ACT — National
Late registration deadline
September 1, 2026
SAT — National
Late registration deadline