Delanco Township Board of Education Office. 1301 Burlington Ave., Delanco, NJ 08075. Phone: 856-461-1905. Fax: 856-461-1627. Pearson Elementary School. 1301 Burlington Ave., Delanco, NJ 08075. Phone: 856-461-1976. Fax: 856-461-4419. Walnut Street Middle School. 411 Walnut Street, Delanco, NJ 08075. Phone: 856-461-0874. Fax: 856-461-6903