Washington residents paid $3,461 to attend the four-year public institution this year $67 more than the $3,394 charged for 2016-17.
Non-resident students would have paid 26.8 percent more than residents this year, or $4,387. Non-resident tuition and fees was reduced 49.8 percent from $8,739 in 2016-17.
100 percent of the school's undergraduate population are Washington residents.
Data shows 85 percent of full-time undergraduates who started school in 2015-16 received student financial aid in some form. In all, 34 students received grants or scholarships totaling $176,033 and 14 students took out student loans totaling more than $80,276.
Including all undergraduates, 1,392 students used grants or scholarships totaling $8.2 million. Another 774 took out $5.21 million in federal student loans.