sentences:  From 1943 to 1965, Avery Coonley was part of the National College of Education (now National-Louis University), serving as a living laboratory for teacher training and educational research.In the 1960s, ACS became a regional research center and a leadership hub for independent schools, and began to focus on the education of the gifted.The school has occupied several structures in its history, including a small cottage on the Coonley Estate in Riverside, Illinois, and another building designed by Frank Lloyd Wright.