This study aims to assess the critical thinking skills of adolescent students at junior high schools in Rantepao, particularly in the context of Christian education. This study used quantitative design research and a proportionate stratified random sampling method to select the sample. There are 66 students became the sample of this study. Data were collected through a questionnaire that assessed the student's critical thinking skills based on the critical thinking indicators. The collected data was then analyzed using descriptive statistics calculation related to the variables of critical thinking skills. This study found that adolescent students at Junior High School in Rantepao have only a fair level of critical thinking skills in the context of Christian Education. This study highlights the need to improve students' critical thinking skills in Christian Education. Teachers should foster students' growth by focusing on their learning process and offering appropriate activities.