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

Lenten Outreach

lent cantlay

MDHS Lenten Outreach Dates: February 18 - March 31, 2026

GIVE:

For our Lenten Outreach Mater Dei High School is collecting monetary donations and grocery store gift cards to support Cantlay Food Distribution

How can you help?

Click the button below to donate online
Grocery Store Gift Cards (please see below for details) and Cash/Check Donations are accepted in Campus Ministry anytime during Lent.

****There will also be announcements for Class Level Collections on-campus.

Thank you for your generous support!

Gift Card Collection Details:. Please choose Stater Bros, Smart and Final, NorthGate, Food for Less, Ralphs, or Albertsons for all grocery gift cards. Also, the suggested amount on gift cards is $20 or more to allow families to shop with dignity. Thank you!

PRAY:

Prayer Opportunities for Students during the Season of Lent:

Ash Wednesday All-School Mass
MD Lenten Penance Service and Sacrament of Reconciliation
Holy Tuesday All-School Mass
Eucharistic Adoration
Daily Mass
Stations of the Cross in the Grotto (at the beginning of both lunches on Fridays during Lent)

FAST:

fasting

Solidarity video image

Catholic Social Teaching: Solidarity Video