They describe practices, personal resources, competencies and knowledge that form the basis of successful school leadership. Practices entail five dimensions: i) constructing and implementing a shared strategic vision; ii) developing professional competencies; iii) leading processes of teaching and learning; iv) managing the school climate and the participation of the school community; and v) developing and managing the school. Personal resources comprise three areas: i) ethical values; ii) behavioural and technical competencies; and iii) professional knowledge (Ministry of Education, 2015a). In 2006, the Ministry of Education developed an evaluation framework for a system of self-improvement in schools that has now been discontinued (Sistema de Aseguramiento de Calidad de la Gestion Escolar, SACGE) (Santiago et al., In 2014, the Ministry of Education published newly developed Indicative Performance Standards for Schools and School Providers (Estandares Indicativos de Desempeno para Establecimientos Educacionales y sus Sostenedores).