Mater Dei High School

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Ash Wednesday 

Today we opened the season of Lent as a Mater Dei community with Ash Wednesday Mass. 

Freshman Retreat

Our Freshmen had a great time on retreat at the Vietnamese Catholic Center

Congratulations to February's Monarchs of the Month!

Hanna Schulte & Jagari Jennings

Congrats to our athletes on signing their national letters of intent.

Grandparents Day

Thank you to all the grandparents for visiting campus! It was an honor and privilege to have you. 

Our Wonderful Performing Arts Department

Performing at St. Edward the Confessor Parish in Dana Point

Back-to-Back-to-Back Champions!

Congratulations to Mater Dei's Academic Decathlon Team for winning the Southern California Region Private School Tournament for the third year in a row. 

Congratulations to Christine Nguyen ’18 for being recognized by The National Catholic Educational Association (NCEA) as a nominee for the 2018 NCEA Youth Virtues, Valor and Vision Award. 

 8th Graders - Join us for our Entrance Exam on Saturday, Feb. 24th

Register at

Career Day 2018

Students heard from professionals in over 40 different careers for Career Day 2018! Thank you to all who made this wonderful day possible.

Creating Your Family Legacy Panelists with Moderator, Matt Leinart '01

Thank you to our panelists for a wonderful and informative night! 

 Legacy giving and philanthropy seminar sponsored by Mater Dei and USC Marshall School of Business 

Celebrating Mass for Catholic Schools Week

Father Steve Sallot, Vicar General of the Diocese of Orange  

We thank and honor our veterans

World War II Veterans address Mater Dei students

Sentinels of Freedom

Honoring nearly 450 Monarchs who have served our country and those seven who paid the ultimate sacrifice. We remember. We are grateful. 

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Founded in 1950 in Santa Ana, CA, Mater Dei is one of the country's largest Catholic college preparatory high schools and focuses on the holistic development of each student by providing opportunities for growth through leadership, spiritual development, outreach and extensive co-curricular programs.

Entrance Exam

Click here to register for the February 24th Entrance Exam
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