Review question / Objective: This systematic review had the objectives of: 1) collecting the measurement instruments that evaluate computational thinking in children and adolescents; 2) examining the psychometric properties and characteristics of these instruments. Eligibility criteria: Inclusion criteria: Articles discussing results of empirical studies in which CT was evaluated; articles with results of validation studies presenting and testing new TC assessment tolos; K-12 Education Student Sample.Exclusion criterio: Abstracts or proceedings are excluded, review articles or theoretical articles are excluded; articles reporting research in which CT assessment is performed by instruments that measure self-efficacy, attitudes or other constructs; articles reporting research in which CT assessment is performed by instruments that assess teachers’ rather than children’s knowledge or skills.