Centralia High SchoolSchool Calendar
2026-27 Academic Calendar
Key dates, holidays, and events for Centralia High School.
School at a Glance
Upcoming events & academic holidays2026-27 Academic Year
AUG
1
First Day of School
AUG
4
No School
No School
AUG
8
First Day of Kindergarten
SEP
7
No School
Labor Day - No School
SEP
24
Sept. School Board Meeting
OCT
15
No School
Fall Conferences - No School
OCT
16
No School
Fall Conferences - No School
OCT
22
Oct. School Board Meeting
NOV
11
No School
Veteran's Day - No School
NOV
12
Nov. School Board Meeting
NOV
25
2-hour Early Release
NOV
26
No School
Thanksgiving Break - No School
NOV
27
No School
Thanksgiving Break - No School
NOV
30
No School
Trimester Break - No School
DEC
1
No School
Teacher PD Day - No School
DEC
17
Dec. School Board Meeting
DEC
18
2-hour Early Release
DEC
21
No School
Winter Break - No School
FEB
11
100th Day of School
FEB
15
No School
President's Day - No School
FEB
25
Feb. School Board Meeting
MAY
27
May School Board Meeting
MAY
31
No School
Memorial Day - No School
Partner 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 Centralia High School.
National Tests
August 7, 2026
SAT — National
Registration deadline
August 11, 2026
SAT — National
Late registration deadline
August 14, 2026
ACT — National
Registration deadline
August 22, 2026
SAT — National
Test date
August 28, 2026
SAT — National
Registration deadline
September 1, 2026
ACT — National
Late registration deadline
State Assessments
January 25, 2027 – April 30, 2027
WA-AIM
Testing window
WA
January 25, 2027 – March 19, 2027
WIDA ACCESS
Testing window
WA
January 25, 2027 – March 19, 2027
WIDA Alternate ACCESS
Testing window
WA
March 1, 2027 – June 25, 2027
Smarter Balanced — Online
Testing window
WA
April 5, 2027 – May 14, 2027
Smarter Balanced — Paper/Pencil
Testing window
WA