This study aims to determine the profile of critical thinking disposition of class XII students in one of the state high schools in the City of Sukabumi. The study used a descriptive quantitative approach and a purposive sampling technique to generate 31 students of the population. Written tests applied for collecting critical thinking data. The test consisted of 14 questions of a critical thinking disposition test with a reliability value of 0.79, a standard deviation of 10.93, and a correlation score of 0.65. There were seven indicators of critical thinking disposition include Maturity, Truth-seeking, Analysis, Systematic, Open Mind, Self-confidence, and curiosity. The results showed that the average value of students' critical thinking disposition was 27,.98% indicating that they come into a less category. There might be a need for revising to improve students' critical thinking, which they must have in this 21st century. Therefore, various models or strategies might be applied to help students build their understanding.