Our Campus

Welcome to Eastside Catholic School!

Located on 50 acres in Sammamish, Washington, our beautiful state-of-the-art campus facilities provide an ideal learning environment. Amenities include fully equipped science labs, integrated classroom technology and dedicated gathering areas for student collaboration. The campus is also home to the St. Francis of Assisi Chapel, a 13,000-volume digital learning library, two gymnasiums, a lighted 2,000-seat stadium, a multipurpose turf field and much more.

Take a virtual tour of our stunning campus

After you take a virtual campus tour through the below link of our stunning campus, we look forward to sharing it with you in person. To schedule a personal tour, contact our Admissions Team at admissions@eastsidecatholic.org or 425-295-3000.

EC Environmental Stewardship

Eastside Catholic - King County Level 3 Green School

Eastside Catholic was named a Level 3 King County Green School in June 2020 for improving conservation practices on campus.

The King County Green Schools Initiative helps schools and school districts engage their students and employees in learning about and practicing resource conservation. 

To receive recognition as a Level Three Green School or Green School District, participants complete the following:

In recognition of superior energy performance, the U.S. Environmental Protection Agency awarded Eastside Catholic School ENERGY STAR certification in 2012. Buildings that earn the EPA's ENERGY STAR rating use 35 percent less energy and generate 35 percent fewer greenhouse gas emissions than similar buildings nationwide.

Eastside Catholic is listed on the ENERGY STAR registry. You can learn more about ENERGY STAR certification at energystar.gov. Eastside Catholic has an active energy management program and is committed to exploring new ways to improve our facility efficiency.


  • 50-acre campus on the scenic Sammamish plateau
  • 10 science laboratory classroom
  • 12,000-volume library
  • 2 gymnasiums
  • 2,000-seat, lighted stadium
  • 2 multipurpose turf fields
  • 1 dedicated independent living skills classroom for our Options Program

EC was awarded King County Level 3 Green School in 2020 thanks to the work of the student-led EC Green Team, volunteers, mentors and our EC community.