Power Memorial Academy (PMA) was an all-boys Catholic high school in New York City that operated from 1931 through 1984.

In 1909 they also opened the All Hallows Collegiate Institute, located in four rowhouses at 15 West 124th Street, which was both a high school and a business college.

[6] Enrollment grew and a new building was acquired to accommodate a larger student body at 164th Street and Walton Avenue in the Bronx, to which the high school moved in 1929.

On March 15, 1948, Marko L. Markovich opened fire on students practicing for the St. Patrick's Day parade, killing one, Thomas Brady, and wounding six others.

[9] "Mad gunman kills boy here, wounds six before capture" read the front-page headline on The New York Times.

Over its history, it won a total of eight New York City Catholic High School Athletic Association (CHSAA) championships.

The streak finally ended at 71 games on January 30, 1965 when DeMatha High School of Hyattsville, Maryland defeated Power, 46-43.