i am a young school teacher?

[ur_mrry]

i am a soft spoken young lady recently appointed as a school teacher. my problem is i can not able to maintain discipline specially in higher classes. some older girls are creating problems very much. they are least bother to obey a young teacher like me. when i report this to headmaster he put blame on me only. pl. advise how can i restote disciplin in my class?

[lilgrl]

u have to earn their respect by proving that it's valuable to U. Then everyone will try to gain more than u have, works best with kids