In 1922, St. Mary's Academy was established as the “Escuela Catolica de Pasay”, managed by the parish priest, Rev.

In its infancy, St. Mary's offered Primary Level instruction, from 1922 to 1939. in 1939, the Archbishop of Manila, the Most Reverend Michael O’Doherty, turned the school's management over to the RVM Sisters.

The following year, "Escuela Catolica de Pasay," was officially renamed as "St. Mary's Academy, during the tenure of the first superior of the school, Mother Maria Josefa Avendaño.

The new name symbolizes the virtues of Mary, the mother of Jesus, and also that of the venerable Ignacia del Espiritu Santo.

The school motto is "Initium sapientiae timor domini" meaning "The fear of The Lord is the beginning of wisdom".

St. Mary's Academy Gymnasium - This facility is used for sports events, and also for practices of the basketball, volleyball, badminton, table tennis (separated in a room - HS) varsity teams and sometimes for socialization activities.

St. Mary's Academy Quadrangle located in the center of the school, and within full view from classrooms, is the venue for major events such as Family Day, intramurals, sport events, practices & P.E classes, community day, flag ceremony (by level) and a lot more.

Located at the Centennial Bridge, You can see old pictures of the school and it explains the history of St. Mary's Academy Pasay.

The varsity teams of St. Mary's hold many championships titles in different fields of sports from both local or regional competitions.

The organization is also a core member of the Catholic Educational Association of the Philippines in which they are the delegates representing St. Mary's academy - Pasay together with other student councils throughout the country.

They are also the one who assist and plan events for the school including the Family Day, and/or the annual SMA-P Fun Run.

Located at the MICHD Building, St. Mary's Academy provides education thru technical or vocational courses.