On Saturday April 24th, 2021, Mrs. Kismiantini, Ph.D. (lecturer of the Statistics Study Program UNY) gave a public lecture on Statistical Modeling at Department of Statistics, Syiah Kuala University (USK). At the lecture, she explained the basic concepts of multilevel modeling and their application to educational and social science research. Participants in this lecture consisted of students, lecturers, and the general public. Through this activity, it is hoped that in the future the collaboration between the Statistics Study Program UNY and the tatistics Department USK will be increasingly intertwined.