Downloadable Membership Forms:
Over 90% of all MSHS Teachers and Staff joined PTSA last year
They join willingly and voluntarily because they appreciate the partnership with and support of families to provide the best high school experience for students.
Join the Mount Si High School PTSA
2016-2017 Membership is open to all who proudly support MSHS students!
There are two easy ways for you to join:
Fill Out this Form to Join Online through Paypal:
MSHS Test Site
Your member donation is a step toward the goal of $15,000 to:
When you contribute Wildcat PRIDE Dollars, 100% of the donation portion goes directly to support Mount Si High School students!*
Does your employer have a matching funds program? Increase your donation! See the Matching Funds Page for a list of many local employers that participate.
$10+ Staff/Community/Friend (for MSHS staff and community members/friends/extended family only)
NOTE: First $25 is your MSHS PTSA membership fee; the remainder is donation.