Corvallis High SchoolSchool Calendar
2026-27 Academic Calendar
Key dates, holidays, and events for Corvallis High School.
School at a Glance
Upcoming events & academic holidays2026-27 Academic Year
SEP
1
Orientation for 7, 9, and new students
SEP
2
First Day of School
SEP
7
No School
Labor Day
OCT
28
Non-School Day
NOV
11
No School
Veterans Day
NOV
25
Thanksgiving Break
DEC
21
Winter Break
JAN
1
Winter Break
JAN
4
Return to School
JAN
18
No School
MLK Day
JAN
25
Non-School Day
FEB
15
No School
President’s Day
MAR
22
Spring Break
APR
14
Non-School Day
MAY
31
No School
Memorial Day
JUN
11
Last Day of School
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 Corvallis 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 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
January 12, 2027 – April 9, 2027
ELPA — Summative
Testing window
OR
February 2, 2027 – June 11, 2027
SBAC — English Language Arts, Mathematics, Science
Testing window
OR