Ahould I tell them I am hay?(rephrased) ?

I have just moved to a new school and i am in year 9 and 14years old and there are a lot of tough People there who will beat you up and I am starting to fit in now. A the situation is I am gay I haven't told any one yet and they starting to pick that I am gay so I say no I am not what would I do should I admit to it or what because that ruin my respect from every one what should I do I a