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He established K12 Inc. , a publicly traded education management organization ( EMO ) that provides online schooling , including to charter school students , for whom services are paid by tax dollars , which is the largest EMO in terms of enrollment .
 K12 Inc.
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 K12 Inc.