And the cost of commuting to work, classroom supplies, unpaid leave when the kids get sick (3 sick leave days a year), and the fact teachers do countless hours

And the cost of commuting to work, classroom supplies, unpaid leave when the kids get sick (3 sick leave days a year), and the fact teachers do countless hours of unpaid overtime, have a high stress job, and that spending time with your own children has a value all itself. So even if matching retirement contributions technically tipped the scales, it would still be nowhere close to worth while.