As students progress through school, the level demanded is greater regarding reading and in the last degrees  is  asked to read informational text and graphics increasingly complex  because  students should have the ability to understand, interpret and use information from texts properly.  Also students should have the operation of  some strategies of knowledge followed by a good encyclopedia of terms, and put into practice the acquired knowledge in any context, so that when students has a conversation either at school or out, can provide feedback more extensive knowledge
In students life, is impossible conceive of learning academic activity without the presence of reading. Therefore, reading is the key to each student to open a world of history and a lot of knowledge. Reading of the text involves: comprehension and inference, reading also involves cognitive process very complex incident on the knowledge of language structures, culture and context.