Shouldn't "engines of mobility" be measured in absolute value? If School X boosts 200 students from the bottom quintile into the top quintile, isn't that better than School Y boosting 100 students? Why does it matter if School Y, as a whole, had mostly students from the the bottom quintile?
Shouldn't "engines of mobility" be measured in absolute value? If School X boosts 200 students from the bottom quintile into the top quintile, isn't that better than School Y boosting 100 students? Why does it matter if School Y, as a whole, had mostly students from the the bottom quintile?