The objective of this Professional Assessment work is to improve reading comprehension _x000D_ levels through the proposal called Application of narrative texts to improve reading _x000D_ comprehension in fourth grade students of the primary level. With respect to the theoretical _x000D_ support of the present work, two variables were investigated; the first relates to narrative _x000D_ texts based on Chomsky's Constructivist theory and the reading strategies proposed by Solé _x000D_ (2002); the second variable is supported by the Schraw and Bruning theory (1996) who _x000D_ propose three epistemic models about reading: transmission, translation and transactional. _x000D_ On the other hand, in relation to the pedagogical support, the proposal of the Ministry of _x000D_ Education has been considered with respect to competence, capacity, standard, performance _x000D_ and the competency-ba...