https://www.codechef.com/users/parthkohli
this account is not owned by a school student as mentioning in cc profile but by a college student studying in iit roorkee.
source- disposed - Codeforces
He has being finishing in the top of the school rank list for past few months.
I don’t have a problem with him coming in school students ranklist (it would only make it more competitive) but the thing is it is violation of rules.