The data doesn't show this. There are diminishing returns. Reducing from 40 to 30 students creates improvements in outcomes. 30 to 20 does little. https://w

The data doesn't show this. There are diminishing returns. Reducing from 40 to 30 students creates improvements in outcomes. 30 to 20 does little. https://www.businessinsider.com/classroom-sizes-too-small-malcolm-gladwell-2015-6 https://www.businessinsider.com/classroom-sizes-too-small-ma...