english: And these aren't new ideas -- there were experiments in Winnetka, Illinois, 100 years ago, where they did mastery-based learning and saw great results, but they said it wouldn't scale because it was logistically difficult.
non_english: A to nisu nove ideje - imali smo eksperimente u Vinetki, Ilinoisu, pre 100 godina, gde su podučavali savlađivanje znanja i bili su uspešni, ali je rečeno da je logistički teško to preneti na veće razmere.