Advanced Training Institute


an organization that develops homeschooling curriculum, many times manifesting itself into a certain family lifestyle (see gothardite).

usually refered to as ati (or atia, for old-timers), it has a connotation of strict rules, large families, and the infamous navy & white clothing.
“did ya see that new family? there must be like a dozen kids and they were all wearing navy & white….i think they’re ati for sure.”

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