WSU will host five meets at Gibb Pool in 2019-20.
The 2020 U.S. Olympic Team Trails are a scheduled for next summer.
WSU also earned CSCAA Scholar All-America Team honors.
WSU posted a 3.45 team GPA this past spring.
The 12 signees will join WSU this fall.
Cougars have five teams with perfect single-year scores in 2017-18.