Saint Mary's Catholic High School

Founded in 1917, Saint Mary's High School is the first Catholic High School in Arizona.

Saint Mary's High School is a Roman Catholic, Diocesan, co-educational high school serving the greater Phoenix area. It is a multicultural, centrally-located school that offers a traditional setting with a primary emphasis on the spiritual, academic, social, and personal growth of each Knight/Lady Knight. Special attention is given to all types of learners with an emphasis placed on students prepa

Operating as usual


These ladies have had a great year! They’ve had back to back top 3 finishes in state competition and they are preparing for nationals! We are so proud of our Seniors! Thank you for all of your hard work! 💚📣

Photos from Saint Mary's Catholic High School's post 02/03/2024

Congratulations to our Knights on the court! They defeated Arcadia 84-54 and we celebrated our Seniors! 🏀 Styles Phipps 🏀 Kenny White and 🏀 David Rodriguez - we are proud of you 👏🏼👏🏼 Now it’s time for GOLD season!


Staff and students brought in canned foods for the St. Vincent de Paul society as part of our Catholic schools week events. Thank you all! Congratulations to House Francis for winning the competition and earning a dress down day!

Photos from Saint Mary's Catholic High School's post 02/02/2024

Thank you to all of our faculty, teachers and staff for your dedication to providing our students with a Catholic education! We 💚 our SM family!


Please join us next Thursday for our February parent night. Our dean, Mrs. Sarah Hopkins, will be speaking, starting at 6:00pm in the library. PSO meeting will follow.

Photos from Saint Mary's Catholic High School's post 02/01/2024

Fr. Bolding, Dcn. Lopez, Sr. John Magdalene, Sr. Maria Jerome, and Sr. Maria Rose - THANK YOU! You teach, mentor, serve, guide, give time and energy, and love our St. Mary’s community! We appreciate you! 💚

Photos from Saint Mary's Catholic High School's post 02/01/2024

Some of our students represented St. Mary’s today at the Diocesan Catholic schools week Mass at Sts. Simon and Jude Cathedral and rally downtown at the capitol. Senior student, Samantha Mosqueda, proclaimed the first reading at Mass. Our squires helped with setting up for the rally and we distributed water to all of the students at the capitol. Proud of our Knights!

Photos from Saint Mary's Catholic High School's post 01/30/2024

Our SM students were celebrated with a dress down day. We ditched the plaid and khaki for the color war between Seniors (pink), Juniors (blue), Sophomores (yellow), and Freshmen (green)! 🩷💙💛💚

Photos from Saint Mary's Catholic High School's post 01/30/2024

We kicked off Catholic schools week with all school Mass today. We gathered in thanksgiving for the gift of Catholic education and our St. Mary’s community 💚


Join us tonight as we celebrate our Seniors on the boys soccer team! Game time is at 6:00pm at Monterey park.
Go Knights!


Attention Junior High students - join us this Wednesday for our Varsity girls basketball game. Wear your school's athletic uniform or spirit shirt for free entry. We will have a fun night with raffle items and a halftime competition!

Photos from Saint Mary's Catholic High School's post 01/27/2024

We 💚 our Seniors! 🏀 Shelbie Lemm 🏀 Natalie Rivas and 🏀 Maddie Brittain thank you for your dedication to the Lady Knights basketball program! Great win tonight over the Apollo hawks!

Photos from Saint Mary's Catholic High School's post 01/25/2024

Catholic Schools Week begins on Monday! St. Mary's will be celebrating our community, students, nation, clergy on staff, and all of our teachers, faculty, and volunteers! It will be a great week.
Students - please bring in your canned food items for the St. Vincent de Paul drive, starting on Monday the 29th!


Thank you to all who came to cheer with us last night! We had so much fun with these little ones! 🎀💚📣🏀

Photos from Saint Mary's Catholic High School's post 01/24/2024

St. Mary’s physics classes participated in hands-on presentations from Universal Technical Institute yesterday. They observed a wind-turbine tunnel, tried virtual welding, and electronically tuned a sports bike. They were able to see first-hand how the chemistry and physics principles they have learned in class can apply to real world situations - and learned about other vocational options as well!


Please join us this Friday to recognize our Senior Lady Knights! 💚🏀 💚 Tickets can be purchased through our GoFan link:


Our cheer team took third place in the AIA traditional cheer state competition today! 📣 Proud of your efforts ladies! Congratulations Knights!!

Photos from Saint Mary's Catholic High School's post 01/21/2024

Update from San Francisco… Please pray for the safety of our staff and students who are traveling home. Photos include visiting the Golden Gate Bridge, Alcatraz, dining out, and the Walk for Life.

Photos from Saint Mary's Catholic High School's post 01/19/2024

Congratulations to our SM Cheer team! Today they qualified for the AIA Traditional Cheer State Finals!! They compete tomorrow at 12:00 PM at the Arizona Veterans Memorial Coliseum. Go Knights!!!!


Get your tickets here:

Join us Saturday, April 13, 2024, for the 15th Annual A Taste of Saint Mary’s event, "A Night in Tuscany".

Come raise a glass (or two!) and celebrate with us. We will be serving up good food, great drinks, and groovy music for you to enjoy and we will have a silent auction and a raffle as well.

All proceeds will benefit the work of Saint Mary’s Catholic High School.

Photos from Saint Mary's Catholic High School's post 01/19/2024

It was a snowy day in Washington DC for the 2024 March for Life rally. Our pilgrims made it to the Capitol!


Attention 8th Grade families! Tomorrow is the day. Applications are due right away. Be sure to get all your letters of recommendation and records requested. If you’ve applied, check your email for the interview sign up. We look forward to meeting you!

Photos from Saint Mary's Catholic High School's post 01/18/2024

Our 2024 Walk for Life students and staff are on pilgrimage in San Francisco as well. Please pray for them as they prepare to walk on Saturday.

Photos from Saint Mary's Catholic High School's post 01/18/2024

Please pray for our students and staff attending the 2024 March for Life. They are currently on their pilgrimage through Washington D.C. and will march to the Capitol on Friday.


Register here:

Back by popular demand….. we will be hosting another mini cheer clinic & halftime performance this season!! This will be hosted all in ONE day, with our halftime prep clinic being from 5-6:30 pm before the basketball game. Then our participants will get to perform at halftime with the SM cheerleaders! Don’t wait to sign up, registration closes on Sunday, Jan 21st.


Calling all Lady Knights! Join us for our annual Father-daughter dance on Saturday, February 10th. Payment can be made through MySchoolBucks or in the business office.


We are preparing for next year’s Freshman class. Only 10 days are left until the Freshman application due date! Please be sure to submit your application for the 2024-2025 school year and request your letters of recommendation right away.

Photos from Saint Mary's Catholic High School's post 01/09/2024

Congratulations to the girls soccer team for defeating Shadow Mountain, 6 to 2. They put on a spectacular performance for senior night. Thank you to everyone who came out to watch. Great job lady Knights! ⚽️


Join us this Thursday in the Library for our January Parent night! Assistant Principal, Mr. James, Atkinson, will be our guest speaker. The PSO meeting will follow.

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Videos (show all)

🚨 ALUMNI SPOTLIGHT 🚨 Jaxon Rideau, Class of 2020!The score was set at 78-78 when Jaxon (@swaggy.j10) hit the game winner...
The St. Mary’s Men's Basketball team is moving on to the FINAL FOUR!!! Huge congrats to Coach Lopez and his team!Next ga...
You don’t want to miss out on our Fine Art’s Winter Concert! Performances by Mr. Grimm’s Freshman Girls Choir & Mr. Calv...
The Knights are in the 4A State Quarterfinals! Traveling to Casa Grande Union HS, Friday, November 26th, with kickoff be...
Senior, Nick Martinez, is participating in the Grand Canyon State Gridiron club suicide prevention PSA this month, repre...





2525 N 3rd Street
Phoenix, AZ
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