Effective school-based induction for new teachers involves much more than mentoring; it requires a comprehensive array of supports buttressed by a collaborative professional culture. Yet few schools are able to offer such a nourishing environment to their new hires. What would it take to bridge the gap between the real and the ideal? In 2005 team of researchers and practitioners launched a three-year project with two goals: a) to help the leaders of four Jewish day schools create comprehensive systems of induction for their new teachers and b) to carefully document the process. This paper presents the theory behind our work, our strategies for effecting change and lessons learned along the way. (Contains 5 footnotes.)