It was founded in 1923 and named after the most holy Sacred Heart of Jesus. At the time of its founding, the Sacred Heart community was predominantly composed of Irish-Americanimmigrants, which has had a large influence on the school's image and mascot. Sacred Heart is known as "The Fighting Irish".
Sacred Heart has a liberal arts curriculum, in accordance with a course of study prescribed by the University of the State of New York, which focuses on English, history, mathematics, the sciences, modern languages, and religion. Students are given the option to take Regents level, Honors or Advanced Placement classes depending on their individual performance.
All students are required to take four years of English, four years of religion, three years of any language, four years of history, three years of mathematics, and three years of science.
Senior students have the choice of taking elective courses in various academic subjects, and with prior approval, undergraduate courses in conjunction with Westchester Community College through its Advanced College Experience Program.