Phi Delta Kappa (PDK) is a professional association for educators whose mission is to promote high-quality education for all children. PDK views education as an essential way to develop and maintain a democratic way of life. The First Capital Chapter 1557 includes educators representing Lancaster and York County schools, colleges, and universities. The PDK mission is accomplished through the tenets of leadership, research, and service.

LEADERSHIP is developed through three educational programs offered throughout each school year. The program topics are relevant for every role within the educational field. During these programs, PDK shares and distributes accurate knowledge about best instructional practices based on valid and reliable RESEARCH. The SERVICE focus of The First Capital Chapter is to cultivate great educators for tomorrow, while ensuring high-quality education for today.