Malcolm Gladwell has some very interesting analysis of class size: https://www.businessinsider.com/classroom-sizes-too-small-malcolm-gladwell-2015-6 https://ww

Malcolm Gladwell has some very interesting analysis of class size: https://www.businessinsider.com/classroom-sizes-too-small-malcolm-gladwell-2015-6 https://www.businessinsider.com/classroom-sizes-too-small-ma... He noted that with education budgets, smaller class sizes are chosen instead of paying teachers more, and that the data doesn't show the improvements you would expect.