Nacel Cultural Exchanges was founded in France by language teachers in 1957 , and homestay exchanges with the U.S. began in 1969 .
Nacel Open Door was formed in April 1997 by the merger of Nacel Cultural Exchanges and Open Door Student Exchange .
Nacel Open Door     was founded in France by language teachers in 1957 , and homestay exchanges with the U.S. began in 1969 .
Nacel Open Door was formed in April 1997 by the merger of Nacel Cultural Exchanges and Open Door Student Exchange .