In 1911, a Catholic private school, the Christ Child School, was built between the bastion and the northern postern. The upper part of the northern curtain wall was destroyed. In 1915, one of the towers, the Mill Tower, collapsed along with a part of the curtain wall, opening a breach into the outside walls which were formerly preserved. The castle was listed as a Monument historique in 1926. In 1929, the inspector-general of historical monuments carried out a plan of the ruins, in order to "at least preserve the memory" of the castle. After surveys showed the risk of collapse, the Marquis of Montault, owner of the castle, evacuated the remaining residents.Géhan (1992), p.41 In 1934, the Beaux-arts destroyed the now abandoned houses inside the bailey.Géhan (1992), p.42 The upper part of a second tower, the Criminal tower, collapsed in 1936. The top of the remaining towers and ramparts were restored to prevent further degradation.
