Im an 11 year old and you need to be a Genius real fast any tips?

I'm an 11 year old and i have to find the fastest way to become a Genius. I use to be one but then my dream came true a Genius institute for children specializing in robotic engineering wanted me to join so i accepted and now I'm under pressure and forget everything, and I'm going to be in an commercial so i don't have a lot of time to study so i need the quickest and fastest way possible to become a genius again.