eastside catholic is an independent, faith-based school for students in grades 6 - 12 located in sammamish, washington.
eastside catholic school is a catholic faith-based educational community where students in grades 6-12 learn to integrate their thinking and believing in ways that encourage intellectual excellence, nurture relationships and inspire a life of leadership and service to others. founded by parents in 1980, the school is governed by an elected board of trustees. it is the only seven-year, co-educational catholic school on the eastside, and offers a comprehensive college preparatory curriculum. the eastside catholic community is composed of over 900 students, approximately 130 faculty and staff members, and more than 5,300 alumni.