What ACT score do you need for Washington State University?
The 25th–75th percentile band shows where the middle half of admitted students score on the ACT. Numbers come from the school's Common Data Set (2024–25 figures).
Washington State University ACT band
25th
18
–
75th
27
Median
—
See your specific admit chance
The band above shows where admitted students scored. Run the admissions-chance tool to see what your specific score means for your chance at Washington State University.
Open the admissions-chance toolShare
ACT data from the school's Common Data Set (2024–25 figures). Last updated March 7, 2026. Methodology.