What are things you’ve seen in high school that you shouldn’t see in high school?

High school is very important part of our life because We learn a lot of many things. There are very mentor for teaching. There are many Books read in high school English class . when Books read in high school English class period of English subject then we see ourself that how our English has been improve. All mentors are very punctual in high school and he is teaching English books on the loud voice from all the students in high school .