Valiente Sandó, P., Del Toro Prada, J.J. and González Ramírez, J. 2016. Principles of the Specialized Formation of the school Principal. A Proposal from the Systematization. REICE. Ibero-American Journal on Quality, Effectiveness and Change in Education. 14, 1 (Jan. 2016). DOI:https://doi.org/10.15366/reice2016.14.1.008.