ABSTRACT Vika, F, D, Y. (2024). “THE EFFECTIVENESS OF GROUP INVESTIGATION STRATEGY TO IMPROVE STUDENTS’ READING SKILLS ON NARRATIVE TEXT IN HIGH SCHOOL EDUCATION.†A Paper. English Education Department. Faculty of Education and Teacher Training of Universitas Tidar. First Advisor Dr. Dwi Winarsih, M.Pd., Second Advisor Sukma Shinta Yunianti, M.Pd. Keywords: effectiveness,…