HEY HEY HEY! Lets not get into a flame war here ok?!?! Sheesh
. Anyways, most Russian snipers were peasants, that hunted all the time. They simply got training by hunting.
EDIT>>> It was the germans who had their sniper school in someplace named Zossen (or something like that), but most the Russian snipers were purely farmers and peasants who were good at sniping because they hunted all the time.