By

This research is a classroom observation that performed on the class XI IPS 3 and class XI IPS Keagamaan 2, State Islamic Senior High School of Purworejo. The purpose of this study was to describe students ’ motivation of State Islamic Senior High School of Purworejo in learning English in the academic year 2012/2013, to describe teachers ’ teaching style of State Islamic Senior High School of Purworejo and to describe teachers ’ teaching style which is effective in enhancing students ’ motivation in learning English. This research was conducted in two basic form of research that is qualitative and quantitative research. The instruments used in this study were questionnaires and observation. The results showed that teachers who have a traditional teaching style will less motivate their students. Most of students will be bored in their class. Teachers who present interactive teaching style will be more motivated their students. Most of students are more motivated by student centered teaching methods rather than teacher centered. This is proved by students ’ responses towards the teachers whether they are more active or passive than theirs teacher and it also proved by 100 % of respondents are in class XI IPS 3 and there are 60 % of respondents in class XI IPS Keagamaan 2 stated student centered is effective to enhance students