Personalized education is an issue that is being considered in the development of automated tools. Personalized education refers to the fact that students' characteristics must be considered to determine the type of teaching or instructional design that must be provided to him/her. Within the area of intelligent tutorial systems (STI), student characteristics are handled within the student's module and usually refer to the student's skills, learning styles and prior knowledge of the subject of interest. The latter is closely related to the need to constantly assess the student, which is a process that is not easy to perform manually. However, several public schools in Mexico there is not the infrastructure necessary to be able to use automated tools, in each of the classrooms. This article is a proposal for a semi-automated tool for constant assessment.