The most common and most likely answer to this crossword clue is the 7 letter word FRESHER
I've seen this crossword clue in The Daily Telegraph
F
R
E
S
H
E
R
More clues leading to the result FRESHER
- New student / giving more cheek
- New student more at liberty to keep quiet
- New student, person who’s bound to return with that woman
- New student and father somewhere in Surrey
- Drunken ‘Here’s to succeed father’ that’s even more cheeky
- College student, one that was bound over, supported by that woman
- Shut up inside more open cooler
- Say nothing to stop more uninhibited student
- First-year student‘s increasingly amorous
- First-year student's increasingly amorous
Buddy explains!

The straight part
We know that "College student" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case college student = fresher.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does FRESHER mean?
FRESHER adjective- Newly produced or obtained; recent.
- (of food) Not cooked, dried, frozen, or spoiled.
- (of plant material) Still green and not dried.
- Invigoratingly cool and refreshing.
- (of water) Without salt; not saline.
- Rested; not tired or fatigued.
- In a raw or untried state; uncultured; unpracticed.
- Youthful; florid.
- Good, fashionable.
- Tipsy; drunk.
- Rude, cheeky, or inappropriate; presumptuous; disrespectful; forward.
- Sexually aggressive or forward; prone to caress too eagerly; overly flirtatious.
- A first year student at a university.
- A fresh graduate looking for his or her first job.