I will admit that I've never had to deal with horns either, so my advice must be taken with a grain of spice

[What are idioms? Can you eat them?]

I suppose that would be true. I... didn't have to study for entrance exams, but I know that the ones that most take to get into colleges, especially the more prestigious schools, can be incredibly difficult. You sound as though you've had to live through them yourself however.