Apologies in advance for I know this answer wouldn’t be of much use. However, I’d still re-iterate that ESSEC doesn’t announce its average score for GRE/GMAT. As
Jaidude has advised, writing to the Adcom would be the best option. In that too, I really believe that the Adcom would only advise you to aim for a high score so that it helps you and they’d mention how gmat/GRE is only a part of your application and not something that would entirely break your case (exception being it’s way too low).
also, in multiple webinars by ESSEC, they’ve always mentioned how they’ve students with a 650 gmat as well as a 750 gmat. I don’t know the GRE equivalent to
i don’t know the GRE equivalent of the scores so that’s something you’d have to figure out. (Also, sorry for all the typos, I’m still getting used to the ios intervace
interface*)