JIYSC has released tryout dates.

https://jiysc.org/tryouts/

Cainhoy has posted their Mt Pleasant dates but not West Ashley.

https://cainhoyathletic.com/2020/05/04/2020-2021-evaluations/

DISA also has dates posted.

https://disacademy.org/events/try-out-schedule-for-2020-2021-seasonal-year/