Educational specifications are presented delineating instructional space requirements and relationships for a middle school in Philadelphia, Pennsylvania. A description of the desired educational programs is followed by a discussion of those spaces necessary to house the program and the relationship that they must bear one to the other. Descriptions are presented of the educational situation, components of the educational program, design requirements, and space allocations and general area relationships. Facility specifications are included for each of the school's 11 centers. Graphic illustrations are also given. (FS)