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.
Astea nu sunt idei noi. Au fost experimente în Winnetka, Illinois, acum 100 de ani şi învăţământul bazat pe excelenţă a dat rezultate grozave, dar au spus că nu le pot extinde din cauza problemelor logistice.