Bad educational experience

     Korean education lean too much towards on University entrance exam (Korean SAT).  For example, when I was high school student, we had only about 10 days of summer/winter vacations.  We had to go to school rest of the days in all whethers.  Also, high school seniors had to studied other subjects like mathmatics or english in P.E, music or art classes.  This kind of practice gives a lot of pressure to the students, and I don't think it's right.  It was really stressful.