The Industrial Institute of Algeria operated normally until 1942. Closed at that time because of the 2nd World War, it was reopened in 1945, attached to the Secretary of State for Technical Education French and reorganized in the meaning of a rise in the level of studies. This allowed in 1950 (JORF of August 27, 1950), the creation of the "Diploma of Engineer of Public Works and Building", issued by the Minister of National Education, (State Secretariat for Education Technical). The Institute then took the name of National School of Engineers of Public Works and Building.