INVALSI Statistical Department 
Updated
27 February 2025
Micro-data Sample 2014-15 School-Principal Questionnaire
In the section, researchers belonging to Recognized Institutions can request data on the entire population of students who took part in the INVALSI National Surveys. The School Principal Questionnaire is intended for principals of schools selected for the INVALSI national representative sample. The purpose of this questionnaire is to provide insights into the characteristics of school leadership.