The French Commercial School is located next to Capella Kazatza. At lintels of both the inputs are the shields of Jesuit and Salesian along with Lasarists, used it as a school. The school was founded in 1627 by the Brotherhood of Capella Kazatza . The school gained immense fame, worked tirelessly until 1927. In 1942, after three session of the school, was occupied by the Italians to house their army and precious files housed disappeared. By releasing the Greek Government expropriated the property of the Sistine, the school closed and brotherhood extinguished. Today accommodates the Archaeological Museum of Naxos.
