Fill out the form below to join Mount Si High School community groups in ParentSquare.
Community group for the latest school information about Mount Si Wildcats!
Community group for the latest school information about Mount Si Wildcats! Read Less
This group is for students and parents who are enrolled in our running start program.
This group is for students and parents who are enrolled in our running start program. Read Less
Running start students graduation 2024
Running start students graduation 2024 Read Less