Teacher & Student relationships? scandalous.?

so im 15 years old. my teacher is like between 25 and 30. he wont say. but hes hawt and flirts wit me all da time, yo! he's like, so dreamy and ****, and we always hang out after cl . its mysterious. he always finds excuses to touch me. i get such a rush and feel so pionate. idk if its long term, but oh hot damn. i love him. he says he will quit his job so we can be together, but only if we get engaged. so, advice please?