The Dalton School is a private co-educational institution located in New York City. Founded in 1919 by educator Helen Parkhurst, it emphasizes progressive education and individualized learning. The school serves students from preschool through high school and is known for its rigorous academic programs and commitment to fostering critical thinking. The Dalton Plan, developed by Parkhurst, is a key feature of the school's curriculum. This approach encourages students to take responsibility for their own learning through a combination of collaborative projects and independent study. The school has a diverse student body and offers a wide range of extracurricular activities, including arts and athletics.