The purpose of this research is to identify a correlation between teacher strategy and students writing ability. Teacher have to modify strategies in teaching writing related to their students performances, abilities and backgrounds. The first phase of the project involves observations and questionnaries where we use several assessments to confirm the students diagnosis and examine the connection between their abilities and strategies that teacher used. Lastly, it is suggested to the teacher to be able to use the strategies in the classroom called cognitive, meta cognitive, affective and social.