Most important for student is to have his/her strong opinion about what is going in country, to be the change so that kind of thinking is developed  by this and to make student think with open mind with all aspects and apply the learning in their practical life and also can answer questions in exam with their own mind rather than cramming book 

students currently in class 7th and students in class 6th wants to go for advance learning  or 8th class

Should be in class 6th ,7th or 8th