Page Keeley is the senior science program director at the Maine Mathematics and Science Alliance (MMSA). She directs projects in the areas of leadership, professional development, standards and research on learning, formative assessment, and mentoring and coaching, and consults with school districts and organizations nationally. She has been the principal investigator on three NSF-funded projects: the Northern New England Co-Mentoring Network, a school-based mentoring program that supported science and mathematics professional learning communities for middle and high school mentors and new tea...