The most common and most likely answer to this crossword clue is the 13 letter word POSTGRADUATES
P
O
S
T
G
R
A
D
U
A
T
E
S
More clues leading to the result POSTGRADUATES
Buddy explains!

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 POSTGRADUATES mean?
POSTGRADUATES noun- A person continuing to study in a field after having successfully completed a degree course.