(CNN) This year, 562 spellers competed in the Scripps National Spelling Bee, and after a grueling 20 rounds, the eight left at the end were named co-champions.

Just a cursory scan across their faces is an insight into a steely culture of excellence that's been dominating American spelling contests.

Seven of the eight winners this year are of Indian descent. And no, they're not born great — they're made great through a culture that instills a drive for achievement and mastery of the English language.

A culture that breeds spelling greatness

South Asian-Americans have come out on top each of the past 12 years.

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