Chiawana Senior High School
2,999
Students
20.2:1
S:T Ratio
School Snapshot
Key metrics at a glance1,130
B+
25
A-
6
B
16%
C
20:1
B-
85%
A
48%
B-
19%
C
This Week at Chiawana Senior – October 15, 2026
405 students practicing on Varsity Tutors
Academic Grades
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Academic Resources
Typical courses and practice resources for students at Chiawana Senior High School
Standardized Test Dates
Upcoming national, state, and school calendar dates that affect students at Chiawana Senior High School.
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 16, 2026
SAT — National
State Assessments
January 25, 2027 – April 30, 2027
WA-AIM
January 25, 2027 – March 19, 2027
WIDA ACCESS
January 25, 2027 – March 19, 2027
WIDA Alternate ACCESS
March 1, 2027 – June 25, 2027
Smarter Balanced — Online
April 5, 2027 – May 14, 2027
Smarter Balanced — Paper/Pencil
After Chiawana Senior High
Where graduates go and what they studyWashington State University
Columbia Basin College
Eastern Washington University
University of Washington
Central Washington University
Seattle University
University of Oregon
Washington State University Tri-Cities
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8125 W Argent Rd, Pasco, WA 99301
(509)543-6786
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Pasco School District
Academic Calendar
Important dates, holidays, and school events