The Agnes Irwin School has been empowering girls for 150 years. situated outside of Philadelphia, Agnes Irwin encourages girls PreK through Grade 12 to experience the joy of discovering their best selves in support of our mission of empowering girls to learn, lead, and live a legacy. Our girl-centered, research-based curriculum prepares girls from 96 zip codes to succeed at selective colleges and universities across the country and around the world. Our intentional approach to leadership development has created a network of accomplished alumnae that lead in the fields of medicine, engineering, finance, aerospace, law, public service, performing arts, and more.