Tennessee State University, Center of Excellence for Research and Policy on Basic Skills. Life in a small class. Final Report . Using research results on class size to improve pupil achievement outcomes. Paper presented at the annual convention of the American Educational Research Association, San Francisco.
Class size does make a difference.
The effects of the Perry preschool program on youths through age 19 . Student characteristics and teaching . The Institute for Research on Teaching. Center for School Assessment. Its impact on instruction and achievement.