[1] It rapidly expanded, dropped the phrase “Latin School” from its name, and gained prominence with a curriculum that was progressive for its day.

In 1885, required courses for the Intermediate Form (grades 9-12) included Latin, German, French, English, geography, physiology, zoology, mathematics, history, natural philosophy, expression, music, and drawing.

Many prominent professionals in theater, education, literature, politics and business were associated with the Academy throughout this period including actor Sidney Wollett, North Pole explorer Admiral Perry, Booker T. Washington, the Vanderbilt family, Jacob Riis, and George William Curtis, a member of the Academy's Board of Trustees and the namesake for Curtis High School.

Because of the expanding student population, a grand new building of English architectural design was built, and the cornerstone was laid in December 1895.

[2][3] The historic cornerstone now stands outside Alumni Hall on the school's Todt Hill campus, while the original building is now the Staten Island Museum.

The fall of 2002 marked a new chapter in the Academy's history with the installation of Diane J. Hulse as the 15th Head of School.

[4] During the summer of 2003, the Stanley Library was completely renovated, the Patrick Commons dining hall was upgraded, new playground equipment was installed, and outdoor benches and tables were added.

In Spring 2018, the Renaissance Campaign was announced, which is a five-year development to drastically reshape the Academy.

Athletic offerings include Cross Country, Baseball, Soccer, Tennis, Golf, Softball, Basketball, Volleyball and Lacrosse.