Smaller school size is more important than class size. In the average gigantic public school if we took the left side of the academic bell curve and put them in their own school, half of them would end up on the right side of the new bell curve. We'd cut our loser count in half.
Success comes from playing in the right league. We can increase total success by increasing the number of leagues.
My grandson attended a charter public school for K-3 - we were quite pleased with their system. While we’re big proponents of home schooling, in this case, it would have meant leaving him with our ex-DIL WAY too much.
Korea and Japan have the largest class sizes, and the highest achieving students. Although there should not be an inverse relationship between class size and education quality, that’s the reality.
Union bosses have a huge stake in having you believe that class-size is the be-all end-all. When teachers are added, more dues are paid.