The purpose of this work is to present an instructional model entitled the "Modelo de Calidad de Situacion Educativa" (MCSE) and how teachers can use it to reflect and investigate in a formal educational setting. It is a theoretical framework which treat to explain the functioning of an educational setting by organizing and relating the most important variables which according to the literature contribute to student learning. There are scarce educational setting model that provide a methodological way to investigate in the educational setting, however, the MCSE, besides to be a conceptual model, offers a methodology and instruments to obtain data in order to improve the teaching/learning process and academic achievement. Hence, the main objective of this tool is to guide the research conducted by teachers in the classroom and encourage them to investigate in the educational setting context. In this work, characteristics and functioning of the model are explained; moreover instructions and measure instruments are offered in order to be used by any teacher interested in improving the quality of student learning and achievement. (Contains 1 table and 3 figures.)