Staff / Student Ratio


Catholic High School Acceptance Rate


Countries Represented

Why choose St. Mary of the Assumption?

It is our mission, to teach the whole child, providing an excellent education, preparing them to be successful in this world, while keeping their “eyes fixed on heaven”.

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8th grade students make electric motors in Computer Class.

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Nice work 👏

We are saddened to share the passing of Finn Cusick, student at St. Mary’s Bryantown. We join the entire Archdiocese of Washington school community in praying for him and his family.

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🙏🙏🙏 for Finn’s family!

Sending prayers of strength, comfort and love to Finn's family and friends. May God continue to keep you all during this difficult time.💜


Rest in peace Finn God Bless your family

Rosary said.😥😔

Sending prayers and hugs to the Finn Family 🙏🙏

So very sorry for your loss I send my prayers to you and comfort you in your lost sadness of your child

Sending prayers to family and friends 🙏🙏❤️

Rest in peace Finn..praying for his family

Dios regale fortaleza a la familia , especialmente a sus padres , Que Dios reciba en su brazos este angelito 💙

Keeping the Finn family in our prayers during this difficult time.

God bless him and his family.🙏

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Mardi Gras Gala February 10th. Tickets on sale now at stmaryum.org/gala

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Sounds fun

Let's get the party started!!

Were having an amazing time at the Christmas Craft Fair! Well be here until 4 p.m. Hope to see you there!
Its Giving Tuesday! Thank for your generosity!