J classes is a prominent coaching institute at samastipur district in bihar.It was established on 2nd November 2015.Its main aim and goal is to provide Smart techniques , student oriented study and better enviroment.It runs under Er.Samir jha who believes that Study should inculcate true knowledge in the child.It has many modern facilities like Projectors and has many scientific devices as microscope,periscope,e.t.c. It provides sports and personality development classes.Samir jha is also a high quality motivational speaker.The main believe of this coaching is in success not in excuses.It has changed future of many students and is continuously changing.The techniques followed here are above the mark and have far thinking.