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.
E estas ideias não são novas, já houve experiências em Winnetka, Illinois, há 100 anos, onde nesta aprendizagem se constataram grandes resultados, mas disseram que não era possível alargá-la por ser logisticamente difícil.