This is the data point I questioned as well in the infographic. Without more info from the original survey as reference this stat as meaningless. I certainly

This is the data point I questioned as well in the infographic. Without more info from the original survey as reference this stat as meaningless. I certainly hope that any parent would have earned far more than $10k working the same hours they spent teaching. To be valid you'd really need to do a total accounting of time and costs. The means lost income by the parent offset by time not lost due to driving to/from school and such.