- Rock Brook is a private, non-profit school in Skillman, NJ, for Communication Impaired and Multiply Disabled children from preschool through age 12. Each of our seven classrooms is staffed by a teaching team, consisting of a special education teacher, a speech pathologist and an assistant. Occupational and movement therapy is also included in the program. A high (3 to 1) teacher to pupil ration ...www.rock-brook.org