[2] It was one of the only 3 high schools that remained open in Madrid during the Civil War.

[1][3] The school featured a pro-rebel faculty, constituting a "Nationalist" stronghold in Republican Madrid for the extent of the conflict.

[3] It was the only secondary school of those created in the Spanish capital during the second republic which remained undisturbed after the war, as the rest were closed.

[4] Originally housed at a palace in Calle de Manuel Silvela, the high school was briefly located in Calle de Fortuny [es], returning to Manuel Silvela during the conflict and then moving to its current premises in Calle de San Bernardo in the early 1940s.

[5][2] The building in San Bernardo (that prior to the installment of the secondary school had housed a Normal school and the Pedagogical Museum)[5] was declared Bien de Interés Cultural on 26 March 1999.