Welcome to MIHS PTSA

MIHS Front EntranceWelcome to the Mercer Island High PTSA website. Our mission is to put together helpful information for MIHS parents. This includes PTSA Membership & Fundraising, Islander Update Newsletters, Legislative Advocacy, Volunteer Opportunities, and useful links to topics on the MISD website such as the MIHS Daily Bulletin.


  • Feb 13 – City Council Meeting, Discussion Re: Loss of I-90 Mobility, 7:00 pm
  • Feb 13 – Biology Open House, 6-8 p.m.
  • Feb 14 – French Valentine’s Day Staff Appreciation Lunch
  • Feb 16 – 21 – Mid-Winter Break (Feb 16, weather make-up day is still a day off)
  • Feb 25 – Mock SAT test, 8 a.m.-1 p.m., MIHS Commons
  • Feb 27 – Parent Edge Presentation, Changing the Game, Creating a High-Performing Mindset in Our Kids, 7 p.m., MIHS PAC
  • Feb 27 – Spring sports start

Stay Informed: PTSA President Updates and Current/Past Newsletters


Get Involved!  We still have many ways to get involved at MIHS:

2016-2017 PTSA Membership and Pass the Hat ContributionsMIHS PTSA Logo

Our online form is a convenient way to make payments for MIHS PTSA Membership and contributions to Pass the Hat. You have the option to pay with Personal Check, PayPal or Credit Card via PayPal using this online systemThere is NO service fee charged to parents. 

Individual or Family PTSA Membership which includes MIHS PTSA Directory.

Pass The Hat contributions

Friends of the Library donation

Personalized Bricks

All donations are tax deductible! Don’t forget our Corporate Match Program to help make your taxable donation stretch even farther!

Do You Have Personal Contact or Emergency Contact Information Changes?

If yes, it’s important to let the Mercer Island School District know i.e. Skyward.  Instructions: download MISD Student Information Change Form and submit it to your School Secretary.  If it’s just an email change, you can do that yourself in Skyward.