Professional Education at the Harvard Graduate School of Education (HGSE) serves more than 9,500 educators around the world each year through a robust portfolio of 90 programs for early childhood, K-12, and higher education professionals. Preparing leaders in education and generating knowledge to improve student opportunity, achievement, and success. Since its founding in 1920, the Ed School has been training leaders to transform education in the United States and around the globe. Today, our faculty, students, and alumni are studying and solving the most critical challenges facing education: student assessment, the achievement gap, urban education, and teacher shortages, to name just a few. Our work is shaping how people teach, learn, and lead in schools and colleges as well as in after-school programs, high-tech companies, and international organizations. The HGSE community is pushing the frontiers of education, and the effects of our entrepreneurship are improving the world.