Genital Herpes

So I'm only 14. and yea, you read the topic right. Herpes. Genital herpes. I'm super scared. My parents don't know that I've had sex, and my parents know about the blisters. The blisters just came a few days ago at school. Watery, peeling skin. They seem to be getting bigger, but maybe I'm just being paranoid. I started off with one. Now one has turned into two. They're right on the lower part of my buttocks, where my thighs meet my cheeks. Please comment. I'm desperate to know if I should be worried.

Side note-- I also haven't had sex in a month. Would symptoms show up this late?