Peer Assisted Learning (PAL) is defined as the acquisition of knowledge and skill through active helping and supporting among matched companions. This book is a practical guide for teachers to plan and effectively implement different kinds of PAL in any area of the curriculum, in a way which integrates with and complements direct teaching by professionals. The book covers peer modeling, peer monitoring of learning behavior and peer assessment of learning products. It considers the use of PAL with students of all ages, abilities, and linguistic and cultural backgrounds, organized so that both helper and helped gain in achievement. The core of the book is the extensive guide to planning and implementing the chosen PAL method effectively, coupled with a detailed Planning Format. Information for parents is included.