High School - Eastside Catholic School | Private 6-12 in Seattle area High School at Eastside Catholic Unlock your potential. Transform your future. We believe every student has extraordinary potential—academically, spiritually and personally.  Our innovative, faith-based, high school program is designed to help students reach their personal best and grow into compassionate, confident leaders. From our dedicated faculty and inclusive community to dynamic academics and inspiring, vibrant campus environment, Eastside Catholic High School (ECHS) nurtures the whole person. Through intentional support, high expectations and deep-rooted values, students are empowered to discover who they are—and who they are called to be. High school is a pivotal time. The habits, values and relationships formed here become your foundation for a lifetime of purpose, leadership and service.  At EC, students build confidence, cultivate their talents, form lasting friendships and prepare to thrive in college and beyond. Your web browser does not support the <video> tag. Ready to Experience EC? Register to Visit | Tour our Campus | Connect Virtually A Comprehensive and Personalized High School Experience Our high school program offers a rich, well-rounded education that supports academic excellence, character formation and personal growth: Challenging Academics: Engage with a rigorous college preparatory curriculum featuring over 35 AP, Honors and, University of Washington in the High School options. STEM Innovation: Develop critical skills in science, technology, engineering and math through hands-on projects, collaborative problem solving, and creative design — all supported by our leading STEM program, innovation-focused curriculum and integrated 1:1 technology access. Christian Catholic Identity and Values: Explore faith, foster compassion and grow in service through meaningful campus ministry, religion courses and service learning. Exceptional Faculty: Learn from talented, caring educators who inspire curiosity, creativity and critical thinking. Wellness: A strong emphasis on student wellness, fostering balance, resilience and lifelong healthy habits through comprehensive support programs and a caring community. Leadership Development: Build confidence, communication and collaboration skills through intentional leadership opportunities at every grade level. Athletics: Provides opportunities for personal growth, teamwork and self-advocacy through more than 20 varsity athletic teams. Arts and Expression: Discover your creative voice in a robust fine arts program that includes music, theater and visual arts. College Counseling: Navigate the college search with the support of experienced counselors who know your goals and walk with you every step of the way. A Supportive Community: Experience a welcoming, inclusive environment where every student is seen, known and valued. Advanced Academic Opportunities Students who are ready for accelerated learning can choose from more than 35 advanced classes. Our offerings include: Advanced Placement (AP®) University of Washington in the High School (UWHS) Honors courses Subjects range from calculus and biology to literature, World Languages and studio art. AP® is a trademark registered by the College Board, which is not affiliated with, and does not endorse, this website. View Our Curriculum Guide Rigorous college preparatory program Top-notch sports programs Ethical leadership training Practical life skills training Values, friendship and community Arts and music enrichment Community and volunteer opportunities View the High School Profile Join Us this Summer! Register for Summer Camp and Reserve Your Spot! Eastside Catholic Students Build Community at NWAIS Retreat EC students joined peers from across the PNW at the NWAIS retreat focused on leadership, identity and building a more inclusive community. Music: It Shapes the Whole Student At Eastside Catholic School, music is a formative experience that builds confidence, fosters connection and supports the development of the whole student. Poet at Heart: High School English Teacher Bob Pfeiffer From a globe-trotting childhood to the classroom, poet and English teacher Bob Pfeiffer reflects on mentorship, creativity and finding deeper purpose in high school education. Eastside Catholic Announces 2025-26 National Merit Scholarship Finalist Eastside Catholic School announces that senior Om Sareen has been named National Merit Scholarship Finalist, recognizing his exceptional academic achievements. EC Student Earns February Student of the Month at Sammamish Rotary EC Junior Molly Bowser was recognized by the Sammamish Rotary Student of the Month for February in the Visual Arts category. Senior Asa Thompson Commits to Washington at EC Signing Day EC senior Asa Thompson, ’26, signed his commitment to play football at the University of Washington next fall. Eastside Catholic School Named to Advanced Placement School Honor Roll Eastside Catholic Recognized by College Board with Platinum distinction for AP Program Congratulations to our 2025-26 First Semester Honor Roll Students We are proud to share our High School 2025-26 first semester honor roll. EC Student Earns Recognition in VFW Voice of Democracy Competition Ninth-grade student Tarek Zaki earned second place at the Post level in the Veterans of Foreign Wars Voice of Democracy competition. Boys Cross Country Earns WIAA Scholastic Honor Eastside Catholic’s boys cross country team earned second place in the WIAA Scholastic Awards Program this fall. Senior Wassie Lugolobi Inks Commitment to Stanford at EC Signing Day EC senior Wassie Lugolobi, ’26, signed his commitment to play football at Stanford University next fall. EC Students Shine Through Service: Thousands of Hours Making a Difference Service is central to the Eastside Catholic experience, bringing students together to lead with compassion, purpose and impact. Community Service Club Celebrates Water Well Installation in Ghana A joyful Chapel gathering marked a life-changing water well made possible by the EC community. Eastside Catholic Football Gives Back A canceled game leads the Crusaders football team to an afternoon community service project.