ABSTRACT Mahendra, IhdA Fahmi. NIM. 17203153112. 2019. The Effectiveness of Using Inquiry Method Toward Students’ Speaking Achievement at The First Grade of MTsN 2 Tulungagung. Thesis. English Education Department. Faculty of Tarbiyah and Teacher Training. State Islamic Institute (IAIN) of Tulungagung. Advisor: Dr. Erna Iftanti, S.S., M.Pd. Keywords: Effectiveness, Inquiry Method, Teaching Speaking Speaking is one of the language elements that has important role in increasing four skills in English; they are Vocabulary, listening, reading, and writing. As we know, speaking becomes an obstacle for students to learn English. One of the reasons, they are shy to express the ideas. It can be a solution by using Inquiry Method. The re...