>>545
>I am from the north west 
cool, I'm from down south
>He got ~70/102 in the RMO
that's great
the inmo is pretty much only a month away, so atb for your cousin 
if he's this smart when he's only twelve, he's going to be doing some pretty cool shit by the time he's an adult lol
>few people ever reply to resource gathering threads. 
i really have no idea where you could look then
some questions could be posted on math stackexchange, i guess, but besides that you'll probably just have to go hunting for active math olympiad discord servers or whatever 

>it is an achievement in itself
thanks man