The purpose of this study was to examine the difference of relationship between thinking styles and academic performance between special high school students and general highschool students. The participants were 275 students. they were composed of the science high school, foreign language high school, and general high school. 3 tests were used. There were the analytic intelligence of the new total intelligence test, based on the Sternberg's triarchic theory of intelligence, Thinking Styles Inventory, and the national academic performance. First, through this study, it was found that the special high school students's means was higher than general highschool students, on the judicial, executive, hierarchical, internal, and radical thinking style. The general highschool students, however, was higher on the conservative thinking style. And then, the intelligence and academic performance were controlled. The result showed that the special high school students's means was higher on the executive, and conservative thinking style. In opposition, the special high school students's means was lower on the radical thinking style. Second, the executive, internal, and conservative thinking style have predictive power to discriminate groups. Hit Ratio was about 67% in the discriminative formula. Third, The difference was revealed in relationships of thinking style through the domain of the academic performance. The academic performance of the special high school students was decided by the monarchic, hierarchical, and internal thinking style. In the opposition, the academic performance of the general high school students was decided by the executive, global, and conservative thinking style. On the basis of this study, the learning environment is provided with the characteristic of the groups and the domain of the learning in the school. Moreover, to encourage the creativity the program for the teacher to teach the gifted, the teaching method, and the system of the evaluation are suggested.