Welcome to The Children’s School. A nonprofit independent school in Stamford, Connecticut, TCS is proud to serve children ages 3 to 8, from pre-K to third grade. Accredited by the Connecticut Association of Independent Schools and a member of the National Association of Independent Schools, TCS is a center for best practices in early learning as well as a resource for institutions around the world for “green” school design, teacher training and innovative uses of technology in the classroom.