YESPhilly is an Accelerated High School that allows you to complete your high school education at an YESPhilly is a 501(c)3 non-profit organization whose mission is to develop a broad base of opportunities for Philadelphia’s out-of-school youth to prepare them to become successful, self-sufficient adults. With the support of local organizations, universities, and foundations, we have developed an educational model that prepares students for college and careers by tying together personal development, media arts and technology skills, and academic instruction to meet Pennsylvania standards for a high school diploma.