Ducange attended primary school in Lascahobas and graduated from the Collège Dominique Savio in Pétion-Ville.

He then taught at Collège Dominique Savio from 1986 to 1987 before returning to the Dominican Republic to study at Madre y Maestra in Santo Domingo.

From 1991 to 1994, he studied at the Institut d'études théologiques in Brussels and was ordained in Port-au-Prince on 8 July 1995.

Ducange returned to Europe in 1996 to study educational science at the Salesian Pontifical University in Rome.

He received his episcopal consecration on 27 August 2016 from Monsignor Louis Kébreau, Archbishop Emeritus of Cap-Haïtien.