The arrival of the Next Generation Science Standards (NGSS) makes it the ideal time to kick-start your professional development programme, and this ambitious book is the perfect source of inspiration to help you do so. The book’s emphasis is on developing highly effective teachers who are expected to improve student achievement in STEM education; its focus is on research-based models underlying systemic reform efforts across the nation. The book opens with expert views on the history of professional development in science education, the challenges of the new standards, and related research on learning. Then, the book’s core highlights critical aspects of several successful programmes and provides forward-looking insights into the needed professional development surrounding the NGSS. Models and Approaches is a vital resource for state, district, and school leaders as well as classroom teachers. It will help you to both analyse what you do now and implement new strategies to make STEM professional development more effective at all levels.