2026-27 Academic Calendar
Key dates, holidays, and events for Oconomowoc High.
School at a Glance
Upcoming events & academic holidaysOCT
22
Family Conferences
OCT
30
Early Release, Grades K-12
DEC
23
Winter Break
JAN
1
Winter Break
JAN
15
Early Release, Grades K-12
JAN
18
No School (Staff Day)
FEB
12
No School (Staff Day)
FEB
15
No School (Staff Day)
MAR
19
Early Release, Grades K-12
MAR
22
Spring Break
Standardized Test Dates
Upcoming national, state, and school calendar dates that affect students at Oconomowoc High.
National Tests
August 1, 2026 – November 30, 2026
ISEE — Fall Testing Season
August 3, 2026 – June 30, 2027
SSAT — Flex Testing
October 1, 2026 – October 30, 2026
PSAT 8/9 — Fall
October 1, 2026 – October 30, 2026
PSAT/NMSQT — Fall
October 1, 2026 – October 30, 2026
SAT — School Day - Fall
October 23, 2026
SAT — National
State Assessments
March 8, 2027 – April 16, 2027
PreACT Secure
March 9, 2027 – March 19, 2027
ACT with Writing — Test Window 1
March 23, 2027 – April 2, 2027
ACT with Writing — Test Window 2
April 6, 2027 – April 16, 2027
ACT with Writing — Test Window 3