This article studies the Industrial School of Artisans of Valencia since its founding to its closure. This initiative promoted by the county council had the collaboration of the teaching staff of the Valencia public school, but had an uneven success depending on the political circumstances. However, the work of the school and its independence as a public institution aroused the suspicions of the patrons of the city of Valencia, who tried to control the access of workers to this type of education in order to strengthen relations of patronage in their companies.