Discusses experiments in different school systems in New York and Massachusetts that incorporate Herman T. Epstein's theory of brain development. Many of the programs are aimed at helping teachers identify student cognitive levels and adopt techniques for reaching children at different levels. (WD)

Cognitive acceleration programmes, started in the early 1980s, have now been run in many hundreds of schools in many parts of the world. One important feature of these programmes is that their effects have been evaluated by following up participant students for some years after the intervention. This has provided extensive experience in the…