ABSTRACT KHOTIMAH, NURUL. 2018 : The Effectiveness of Students Team Achievement Division in Speaking skill on 4th Semester of English Department Unirow Tuban Advisors : Prof. Dr. Agus Wardhono, M. Pd Key words : Effectiveness, STAD, Speaking skill. This research is conducted to analyze the effectiveness of Students Team Achievement Division in speaking skill at 2016 grade of English study p…