Should I change my skin care routine? Oily/Acne prone skin?

I had acne since I was in the 6th grade, I'm in 9th grade now.
I've tried everything and nothing works, I tried proactive, clearasil, clean and clear.

For about a year and a half I have been using Olay face wash and face lotion and clinque toner, but only in the morning, I don't do anything at night. It really doesn't do anything, my acne is still the same with major break outs every now and then. I have acne in my T-zone my forehead, nose and chin and on the side of my nose. It's pretty bad.

So what do you think, should I stick with my skin care routine even though its not really doing anything? I'm scared that if I switch, I'll breakout even worse, I don't want my skin to be irritated because I switched.