Pupils can learn better from each other than in some normal classrooms. This article explores current knowledge about peer tutoring. ’ It suggests how it can help special groups of pupils and how it can be organised. The search for effective ways to improve motivation and achievement are major activities for any school. The administrator must, however, be concerned not only with effcctiveness but also costs. This article considers a technique which has been found to be both effective and cost-effective. The Cost-Effectiveness Of Four Interventions The Institute for Research on Educational Finance and Governance at Stanford University recently used existing research findings to compare the cost-effectiveness of four feasible interventions fo...