How long can i stay in US if i drop from my current school in which i am enrolled

My current sevis is on them but i have got approved for H1B this year which i get in october 2014. so i can come back then , right? that has nothing to do with me droppping school and leaving right?

Are you in USA or your home country ? I did not get your question clearly, please explain it clearly. In general, you can always speak to the school and get your admission deferred so that you puruse your Higher education later.