Project based learning (PBL) is a teaching method in which students gain knowledge and skills by working for an extended period of time to investigate and respond to an authentic, engaging and complex question, problem, or challenge. (Buck Institute for Education.) This collection offers teachers a variety of resources to understand the method and create worthwhile projects, along with strategies for classroom implementation and student assessment. Included find articles, videos, planning tools, sample projects, assessment strategies and student work samples. This collection is intended for teachers of all subjects and grade levels with varying levels of experience with project based learning.