The installation of the SWRL/Ginn Kindergarten Program on a wide-scale national basis provided an occasion to test the claim that important instructional outcomes may be attained reliably in a variety of school settings with a wide variety of pupils through the use of a systematically developed educational product. Characteristics of the participating schools and of program utilization are presented, together with preliminary data indicating consistent, reliable attainment of a high level of pupil proficiency on criterion exercises related to the instructional units. (Author/AA)