Usually, my school forces students to stay school until late at night. We study all by ourselves, that gave the name -'self'. This system is common in Korea, though there's few schools run it mandatorily like my school. Every studen has to go back to class after dinner and stay there studying until ten o' clock .However this system has some advantage. First, you can study more effectively. You can manage the time. If tired, no need to trying to wake up. Just sleep and study harder after relaxation. Moreover I think helping students to have time to review work is good for studying.Since this system has good points, and there is no way to escape from this, I'd like to just enjoy this things, and try to make it one of precious memories during my high school time.
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Usually, my teachers force students to stay in school until late at night. To study all by ourselves. That gave the name 'self'. This kind of practice is very common here in Korea. There are few schools run it mandatoily like in our school. Every student has to go back to school after having dinner and stay there to study until ten o'clock.