Mater Dei High School

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

Leadership

Since its inception in 1950, Mater Dei High School has grown from a local, Catholic, college preparatory high school to a world‐renowned destination of excellence in academics, visual and performing arts, faith and service, student activities, and athletics.

The Leadership Team is made up of the President, Principal, Vice Presidents, and Assistant Principals. The Board meets weekly to provide vision and direction ensuring that all MD programs, activities, events, and endeavors not only reflect the school’s mission and philosophy, but also our long-standing tradition of excellence.

Ms. Frances Clare Principal

Email Frances Clare (714) 850-9500
Mr. Michael Brennan President

Email Michael Brennan (714) 850-9522

Mrs. Molly Chace '00 Assistant Principal Faculty Services

Email Molly Chace '00
Mrs. Jeni Dennin Assistant Principal Catholic Identity and Formation

Email Jeni Dennin (714) 850-9598
Mr. Jack Conklin '80 Assistant Principal Student Life

Email Jack Conklin '80 (714) 850-9502
Mr. Scott Melvin Vice President of School Relations

Email Scott Melvin (714) 850-9533
Mrs. Diana Neustadt Vice President of Business Services/CFO

Email Diana Neustadt (714) 850-9504
Mrs. Andrea Watanabe Assistant Principal Academic Services

Email Andrea Watanabe (714) 850-9501