The most common and most likely answer to this crossword clue is the 13 letter word THEORETICIANS
I've seen this crossword clue in The Times
T
H
E
O
R
E
T
I
C
I
A
N
S
More clues leading to the result THEORETICIANS
Buddy explains!

The straight part
We know that "Scholars" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case scholars = theoreticians.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 THEORETICIANS mean?
THEORETICIANS noun- Someone who is expert in the theory of a particular science or art
- A theorist