His real surname was Petraglia, and he was born in Piaggine (Salerno province) of south-western Italy.
A schoolteacher in New York from 1898 to 1908, he may have been the first Italian-born American to become a school principal in the United States.
[4] In attempting to engage the student with tasks that went beyond book learning, he was influenced by the writings of John Dewey.
[5] He wrote a syndicated column, "Our Children", on child psychology, for newspapers and magazines.
The Angelo Patri Middle School, MS 391 in the Bronx is named in his honor.