Mater Dei Catholic High School is an amazing place to continue your education and to learn, live and grow as an individual and a member of the global community. With over 275 applicants every year for 9th grade, we have a wide variety of students who demonstrate academic excellence, promising leadership skills, commitment to service, and exhibit diverse talents. We strongly encourage you to visit our campus and set up a Shadow Day so you can see in person what our school has in store for you.

Please don’t hesitate to contact Mr. Roy G. Vasquez–Director of Admissions, for any of your needs. You can call him at 619.423.2121 ext 106 or email


September 15, 2017 – January 20, 2018 Online Applications

From the Admissions page of our website, select Apply Now. The online application allows you to begin your application and return later to complete and submit. Click here to begin Online Application:

September 2017 – January 2018 Shadow Visits

A Shadow Day is an opportunity for your child to experience firsthand what it is like to be a Mater Dei student.  Our guests are paired with current Mater Dei students and follow the hosting students’ schedules. Email our Admissions team directly to setup a Shadow Day:

Roy Vasquez – Director of Admissions
John Joyner – Admissions Associate 
 Margie Hernandez – Registrar 

October 22, 2017 Open House

Join us for Open House on Sunday, October 22, from 10 a.m. to 1 p.m. Stop by and see firsthand why Mater Dei is the place to be for exceptional academic programs, the arts, athletics and more – all in a faith-filled, nurturing community. Highlights of the day include campus tours featuring the Academy of Science labs, an art exhibition, performances by the band and choir, academic department information tables and more. Informational presentations are scheduled for 10:30 a.m. and 11:30 p.m. Click here to register:

November 1, 2017 Tuition Assistance Applications Available

Tuition assistance applications are available online from our website beginning on November 1, 2017.  Completed applications must be submitted by January 19, 2018.  For questions regarding tuition assistance, please contact Ms. Margie Hernandez, the Registrar at (619) 423 – 2121 ext 128.

January 19, 2018 Application Due Date 

The online application and $50.00 testing fee are due.  Submitting the application and testing fee automatically registers your child for the placement test on January 21. Students must take the HSPT at Mater Dei on 1/20/18 to be eligible to receive scholarships

January 20, 2018 High School Placement Test (For Incoming 9th Only)

The High School Placement Test for Mater Dei will be held at our campus.  Please arrive no later than 7:45 a.m. on Saturday morning.  The test will begin promptly at 8:00 a.m. and will end by 11:30 a.m.  Please bring two sharpened no. 2 pencils.  Calculators are not permitted.

February 9, 2018 Tuition Assistance Application Due Date 

Tuition Assistance Applications are due. For more information, visit our website and click on Tuition Assistance under the Admissions tab.

February 16, 2018 Report Cards & Letter of Recommendation (Optional)

Report cards from 7th and the first semester of 8th grade, as well as standardized test scores from 7th and 8th grade, if applicable, must be received in our Admissions office no later than Friday, February 19, 2018. One Letter of Recommendation (Optional) may be submitted by Friday, February 16, 2018.

March 2, 2018 Admissions Decision Letter Day!

Letters of decision mailed.

March 5, 2018 Online Enrollment Opens

Online enrollment opens on Monday, March 5, 2018.


  • Please complete the online application.

  • 9th grade applicants

    9th grade applicants are required to take the High School Placement Test (HSPT) – Saturday, January 21, 2017 (7:45am – 11:15am )

    10th & 11th grade applicants

    Please call the Director of Admissions, Roy G. Vasquez, at 619.423.2121 ext 106 or email to schedule an appointment.

  • All applicants will have a personal interview with a school administrator or faculty member. Interview is scheduled after the admissions exam.

  • A transcript of grades and copies of standardized testing for the past TWO grades/years will be needed for the application process. Request for Transcript form is available online or at MDCHS school office. Transcripts and records are to be mailed from the current school to Mater Dei.

  • All applicants must obtain ONE letter of recommendation from either a school administrator, teacher, or pastor.