Mater Dei High School
Forward in Vision, Rooted in Tradition

About MD
Mater Dei is a distinguished destination of excellence in academics and technology, the arts, faith and service, campus life, and athletics. We are proud to be Orange County’s oldest and largest Catholic high school.
Admissions
Your journey to becoming a Monarch starts here! Tour campus, schedule a shadow day, begin your application, and more. We are excited for you to join the MD family!
Programs
Built on Catholic fellowship and intellectual rigor, our programs in academics, technology, athletics, faith and service, and the arts provide unlimited opportunities for student success. Comprehensive counseling and wellness resources educate and bolster families throughout the high school journey.
Faith in Action
Guided by the articulation of Catholic Social Teachings, Mater Dei prioritizes the faith development of our students with an emphasis on Christian service. We believe this allows our students to grow in their spiritual lives while living our gospel values through giving back to others and truly experiencing the face of God.
Campus Life
Through avenues of leadership, faith, shared interests, and extracurricular activities and events, students can make Mater Dei their own. Get involved today!
Community
Tradition never graduates. Alumni, lifetime parents, grandparents, and friends are a vital and vibrant aspect of our community. Once a Monarch, always a Monarch.
Giving
Behind every achievement, success, and championship, stand the alumni, parents, faculty, staff, and friends who fortify our future. We invite you to support MD in a variety of ways with a gift that is meaningful to you.

Biography

About
My name is Colleen Nanry and I am part of the graduating class of 2004. I have worked in many areas at Mater Dei. Currently I am the Registrar where I help maintain our student information system, current student and alumni transcripts, student work permits, and much more!

What I Love About MD
Mater Dei feels like home to me, it is where I grew up and it is where I am meant to be.

Other experience
I started at Mater Dei in 2011 through 2016, was the Dean of Students at Rosary Academy from 2016-2021.

Education: Bachelor's Degree in Communications from San Francisco State University

At MD since: 2011 returned in 2021

Name: Ms. Colleen Nanry '04
Position: Registrar
Email: Send email
Phone: (714) 850-9570; (657) 245-4686 (fax)