The Lower School is located approximately one third of a mile away from the Upper School at its own 10-acre campus that occupies both sides of Stratton Road in New Rochelle. It houses the academic and administrative building (including the office of the Lower School principal) with its library in addition to a residence of Christian Brothers. It maintains several athletic facilities, including a football field, a regulation-size and a junior baseball field, a general-purpose soccer field, an indoor gymnasium, and outdoor basketball courts. It also has a play area with swing sets and recreational facilities for younger students.