This research has a purpose to produce a
model that can enhance students' mastery of concepts.
The model implementation was carried out in Ronas
Middle School, Ronas MTs, and Kemlagi 1 Middle
School with one group pretest-posttest design. Data
collection using observation methods, concept mastery
tests, documentation, and questionnaires. The data
analysis technique used is descriptive quantitative and
qualitative. The results of the study indicate that
students have mastery learning outcomes of 100%.
Based on the results of the study it can be concluded that
there is an effect of the implementation of the MOGE
model on the mastery of student concepts.
Keywords : MOGE Model, Student Concept Mastery.