PTSA Memberships for the 2024–25 year are now available.

Together we can…support the students, teachers, and staff of Hamilton International Middle School!

When you become a member of our school’s PTSA you will be part of a powerful and collective voice for the children in our community. In return, the PTSA will be a relevant and helpful resource for you, keeping you informed and connected to our families, the school, and our community.

Join the PTSA today! 

Complete this webform to pay online.

Memberships are $15 per person

Donations are 100% tax-deductible, and full scholarships/subsidies are available. To request a scholarship/subsidy, email [email protected].


Volunteering is not a requirement for PTSA membership. However, we always welcome more volunteers!

To learn more about open volunteer opportunities, email [email protected].

Please note that your PTSA membership must be renewed each year to stay active.

We look forward to working together!

Hamilton Middle School PTSA is a 501(c)(3) organization. The Tax ID#/EIN is 91-1290516. Your gift is 100% tax-deductible.


If you prefer to print out and fill in a form and write a check instead of filling out the online form, please print out the form found here. You may return the printed form and your check, made payable to Hamilton Intl PTSA, to the school office or mail them to Hamilton International PTSA, 1610 N 41st St. Seattle, WA 98103.