While there is a lot to miss about the high school years, it's unlikely that exams will be near the top of anyone's list.
For young people, exams can feel like the most important thing in the world at the time. That's why it can feel so horrible when you aren't able to get the results that you were hoping for.
However, it may not be all your fault. The experts at Save My Exams found a GCSE-level maths question so tough even parents couldn't get it right.