Click here for more articles by Kormedi.com. The number of teenagers leaving school to prepare for college entrance exams is on the rise. According to an analysis by Jongno Academy of data disclosed through School Info, a government education information portal, a total of 18,661 high school students discontinued their education in 2025. Of them, 10,006 were first-year high school students, accounting for more than half of the total. The category of “academic discontinuation” includes voluntary withdrawal, expulsion and removal from school registers. Leaving school allows students to break away from a fixed school schedule and organize their days according to their own study plans. However, dropping out does not simply mean a change in the learning environment. It can also significantly alter their daily routines and lifestyle. Sleep schedules can become disrupted Schools provide clear time structures, including fixed hours for arriving at school, attending classes and eating lunch. Students are required to wake up at a set time, while classes and breaks follow a regular pattern. By co