She studied with Marcel Dupré (organ), Maurice Duruflé (improvisation), and Nadia Boulanger (harmony).
For 40 years she was associated with the great Cavaillé-Coll at Saint-Sulpice (Paris).
In 1955 Dupré named her Assistant Organist.
Upon his death she became Interim Organist (1971-1973), after which she was named Co-Titular Organist with Jean-Jacques Grunenwald. After Grunenwald’s death she again became Interim Organist (1983-1985), until the nomination of Daniel Roth.
From 1972 to 1990, Renet taught the organ class at the Marcel Dupré Conservatory in Meudon.