This book is written on the behalf of mathematics teachers who have been asked to teach more conceptually while simultaneously motivating more students of all ability levels to willingly embrace further upper level mathematics content and courses. This is a BIG ASK! Math teachers are being expected to overhaul their current teaching approach. Can teachers be expected to embrace this crusade alone, isolated in a classroom? Principals are charged with leading the way. They must provide the opportunities and resources necessary for effective teacher collaboration. After reading this book, a principal will comprehend the enormity of task each mathematics teachers faces and learn what must be done to help. School leaders will be able to design a growth plan based on a plethora of collaborative approaches. Mathematics teachers will experience the assistance they have desperately needed.