Southwest HighSchool Calendar
2026-27 Academic Calendar
Key dates, holidays, and events for Southwest High.
School at a Glance
Upcoming events & academic holidays2026-27 Academic Year
AUG
29
Teacher Workday
NOV
21
End of 1st trimester for 4K
DEC
23
No School
No School - Winter Recess
JAN
15
High School Semester Exams A.M.
JAN
16
No School
No School - Professional Development
JAN
19
No School
No School - Martin Luther King Jr. Day
JAN
20
Beginning of 4th grading period for Middle and High School
MAR
5
End of 2nd trimester for 4K
MAR
5
End of 2nd trimester for Elementary
MAY
1
No School
No School - Conference Conversion Day
MAY
29
Last Day of School for Seniors
JUN
1
Last Day for Half Day Head Start A.M.
JUN
3
High School Semester Exams A.M.
JUN
4
High School Semester Exams A.M.
JUN
5
High School Semester Exams A.M.
JUN
8
No School
No School - Teacher Workday
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 Southwest High.
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 28, 2026
SAT — National
Registration deadline
September 1, 2026
ACT — National
Late registration deadline
September 1, 2026
SAT — National
Late registration deadline
September 4, 2026
SAT — National
Score release
State Assessments
March 8, 2027 – April 16, 2027
PreACT Secure
Testing window
WI
March 9, 2027 – March 19, 2027
ACT with Writing — Test Window 1
Testing window
WI
March 23, 2027 – April 2, 2027
ACT with Writing — Test Window 2
Testing window
WI
April 6, 2027 – April 16, 2027
ACT with Writing — Test Window 3
Testing window
WI
School Milestones
October 15, 2026
Homeschool PI-1206 Form Due
Other
WI