The author felt comfortably settled in her career. She had been teaching middle school science for seven years. She attended cutting-edge classes in college, received a master's degree in educational technology, earned a license in administration, and had attended a variety of classes and professional development workshops. Looking back, she realizes that her thinking had narrowed, and her teaching was becoming routine--something she never imagined would happen to her. In this article, the author shares that through Lesson Study for Accessible Science project, educators can learn and share what they need to know together as professionals. In talking extensively about teaching with colleagues and by observing their classrooms, she learned so much.