The most common and most likely answer to this crossword clue is the 8 plus 6 letter word BOARDING SCHOOL
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More clues leading to the result BOARDING SCHOOL
- Getting on train for Eton, say
- Getting on train for Winchester perhaps?
- Where to see scholars getting on train?
- Getting on train for Greyfriars, maybe
- Getting on coach for Roedean, say
- Does it teach children how to get on?
- Getting on with swimming group in Eton or Harrow, for instance
- Getting on train for Harrow, perhaps
- Getting on train in Harrow, for instance
- Getting on train for Winchester, for example
Buddy explains!

The straight part
We know that "Roedean, say" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case roedean, say = boarding school.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.