Psychological assessment is an instrument of scientific assessment of the capabilities and skill level of an individual and / or group of people at various levels, both intellectual and emotional, communication, and social or environmental interaction. The evaluation allows to know, describe and classify the personality and skills of the individual or group study subject by applying different tests or psychological tests tailored to assess specific areas of interest. Currently, these techniques are used in the process of recruitment companies, the study of personalities prosecuted in the courts, or for the assessment of pupils in schools, among other sectors. By understanding the specifics of a subject, you can target and optimize their potential and behaviors, help overcome problems or lead to the person in their decision making. Therefore, the psychological evaluation is so important in education.