After-school (you have to include hyphen between them).
I'm a pre-med student at school.
Since you're changing it into a superlative, you're definitely going to use two separate words, so no hyphen is necessary.
You say "A hyphen" because the sound of the letter "H" at the beginning of the word "hyphen" is pronounced, making it a consonant sound.
No, it does not have a hyphen.
It Is A Special Hyphen
A colon is this : and a hyphen is this -
multimedia - NO hyphen
hyphen
No there's not a hyphen.
It does not need to have a hyphen! :)
Non-breaking hyphen