High Quality Content by WIKIPEDIA articles! Saddle River Day School is a non-discriminatory, coeducational, college-preparatory independent day school, located in Saddle River, in Bergen County, New Jersey. Its student body of 307 boys and girls is drawn from 64 communities in Bergen, Essex, Passaic, and Morris County in New Jersey and Rockland County in New York. The school was founded in 1957 and graduated its first senior class in 1960. Saddle River Day School is composed of three divisions: the Lower Division, the Middle Division and the Upper Division. In 1966 it received accreditation from the Middle States Association of Colleges and Schools, and is also accredited by the New Jersey Department of Education. The school is a member of the New Jersey Association of Independent Schools and the National Association of Independent Schools.