The competent authority for the inscription and control of the file Data associates, created by the Association of Mothers and Pares of Pupils of the Public School (...), it is the Catalan Agency of Protection of Data, ex article 156.b of the EAC, since it is a file that it is created for the exercise of the educational public functions that the AMPA has assigned; these functions are related with Education, which a matter is about the what the Generalitat has competences (article 131 EAC); and the treatment is made in Catalonia. The analyzed file is a private file, since the entity that has created it, the Association of Mothers and Pares of Pupils of the Public School (...), it has juridical-private nature. Consequently, it is necessary to the Register of Data Protection of Catalonia to inscribe it as a private file.