Salanter Akiba Riverdale Academy, better known by the acronym, SAR Academy, is a coeducational, private Open Orthodox Jewish day school. The school is located in the Riverdale section of the New York City borough of the Bronx. The school is closely affiliated with SAR High School, which is headed by the former assistant principal of the Academy, Rabbi Naphtali (Tully) Harcsztark. Slightly more than half of the High School's student body is made up of students from the elementary school.