The Partners in Elementary Science (PIES) program of the National Science Foundation (NSF) is a model Teacher Enhancement project. Its goal was to develop and test a program to help elementary teachers strengthen their science teaching by addressing areas of need, specifically teachers' confidence in teaching inquiry science and helping teachers…

This combination report and guide is intended to assist a broad audience of state and local educational administrators, teacher educators, and state policymakers. The first chapter of the guide examines (1) current views from the field regarding procedures for defining teacher effectiveness, teacher supply and demand, factors affecting teacher…