Now the plain fact is that pupil-teacher ratios have been falling throughout this century.

FORBES: Are We Spending Too Much On Education?

But the schools they attend also tend to have the highest rates of poverty, larger pupil-teacher ratios and bigger schools.

NPR: Instruction Of Students Learning English Bleak

And in any case, education researchers have been unable to produce any consistent evidence that low pupil- teacher ratios actually do improve student performance.

FORBES: Are We Spending Too Much On Education?