I am in class 11th there is a cohing in my city whose classes held every day for 4 hours. And I am also going to school every day.So should I join this coaching ? Can I get time for self study.

Well, if the 4-Hour duration is for one subject, then Id prefer not to join this centre, because thats too much to handle along with school.

And if the institute teaches all the three subjects in that 4 hour time, still you should not join it as its not good to have all the three subjects in a single day.

What u should do is find teachers who independently teaches only one subject on alternate days, so that you can get enough time to revise and study yourself.

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coaching classes r neccesary for competitve xams.. bt if u want to concntrate only on boards preparation den deres no need of it.. u must go wid ur school doing so ll give u gud marks in 12th boards as well ea 100% selection in aieee..
PLZ APPROVE MY ANSWER BY CLICKING YES BELOW

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If I will do not join any choching and do self study....?