Greenwich Public Schools Superintendent Dr. Toni Jones announced today the appointment of Ms. Delis DeLeon as assistant principal of New Lebanon School, effective immediately. DeLeon replaces Lindsey Eisenstein, who was named the assistant principal of Cos Cob School at the end of the 2025-2026 school year. DeLeon’s journey from parent leader to Special Education teacher and now assistant principal reflects a deep and sustained commitment to student success and community partnership,” Dr. Russo said. We will partner together to continue advancing opportunities for our students and families at New Lebanon School.” See also:New Assistant Principal Appointed at Riverside School