N&N Learning Tree Academy, Inc. Share: Child Care N&N Learning Tree Academy, Inc. 808 Village Square Gretna, NE 68028 (402) 332-3700 Facebook Hours: 6am - 6pm M-F About About N&N Learning Tree Academy offers loving, educational care for infants to school-age kids in Gretna. Family-owned, hands-on learning, fun activities, and a safe, nurturing space.
