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.
A to nisu nove ideje -- bilo je eksperimenata u Winnetki, Illinoisu, prije 100 godina, gdje su poučavali temeljeno na ovladavanju, i vidjeli odlične rezultate ali su rekli kako se ne bi moglo proširiti jer je bilo logistički zahtjevno.