You may have studied hard for your GCSEs back in the day, but would you still pass them now? We've put together the ultimate GCSE quiz to see if you're as smart as a 16-year-old.
Give these 10 questions across maths, English, history, geography, and science your best shot to see if you're as clever as you think, or if teenage you was just a little bit smarter.
Take the quiz below, or click here to open it in a new window. Let us know how you did in the comments. Good luck!