The aim of this study is to investigate the 10th, 11th and 12th grade science high school students’ perceptions of science high schools where they are educated. The study, which is carried out by using qualitative research methods, is a based on multiple case study model. The study group of the study consisted of 69 students studying at 10th, 11th and 12th grades. An interview form prepared by the researchers was used as a data collection tool. The data were analysed by using descriptive analysis and content analysis approaches. As a result of data analysis, it was concluded that science high school students mostly choose science high schools because of their qualified education and teachers. It has been found out that science high schools, in general, aim at educating qualified students, and enabling them to enter good universities. It has been further concluded that the students’ social opportunities and experimental training in school environment should be augmented. With the students’ opinions, it has emerged that science high schools are advantageous in terms of their level of achievement, qualified education, and good prospects; and disadvantageous in terms of high expectation and psychological pressure resulting from some other factors.