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.
- Students
- Parents
- Faculty

Registrar

The Registrar is the keeper of records, maintaining student data including grades, transcripts, cumulative files, government paperwork, work permits, and diplomas.

The Registrar oversees Aeries, Mater Dei's Student Information System. The office assists with scheduling, registration, and graduation.

Ms. Colleen Nanry '04 Registrar

Email Colleen Nanry '04 (714) 850-9570

(657) 245-4686
Mrs. Michele Crosby Administrative Assistant/Counseling

Email Michele Crosby (714) 850-9565

Parents

Communication with our parent community is vital and we appreciate your cooperation in ensuring our records are up to date. If contact data in Aeries needs to be updated, please CLICK HERE.

Withdrawal

To begin the Withdrawal process, you must first contact your Counselor. You will then be directed on how to move forward. Please CLICK HERE for Counselor assignments.