It was located in Congers, New York and was founded in 1959 as an alternative to public education in Rockland County.

The school's stated mission was to "[bring] forth the best in every student by knowing and educating each of them as an individual."

[2] The Rockland Country Day School was established in 1959 by a group of local community leaders including Pem McCurdy and Kendall Pennypacker,[3] led by Prof. Charles Frankel of Columbia University.

The Congers location was sold to the Town of Clarkstown and the school leased the property back for a five-year term,[4] however in August 2019, the school announced it would close due to declining enrollment and fiscal challenges.

[5] RCDS focuses on an individualized approach to education for each of its students.