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 – May 31, 2026
403 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
June 5, 2026
ACT
June 6, 2026
SAT — National
June 8, 2026
ACT Photo Upload/Standby Deadline
June 13, 2026
ACT — National
June 20, 2026 – July 4, 2026
SAT Score Release Date
June 23, 2026
ACT
State Assessments
March 2, 2026 – June 26, 2026
Smarter Balanced Assessment
School Milestones
June 2, 2026 – June 17, 2026
Graduation
June 4, 2026
School End/Summer Start
June 17, 2026
School End/Summer Start
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