An article at RealClearEducation argues that choice of college major is a key factor in salary both immediately after graduation and later in life. Author Karen Lips tells women that the choices they make will have more influence on their earnings than their gender.
This is a case where the sauce for the goose is equally appropriate for the gander. Picking an in-demand, well-paid major is good advice for fellows too.
Pick a major that pays well and for which there is demand (recruiters coming to campus). Nearly all STEM majors pay well. So do those in Business Administration, the more technical the more lucrative.
There is always demand for public school teachers, at least in part because of turnover. However, teacher pay isn't everywhere a living wage, it depends on the state or district where you teach.
The other DrC tracks public school work conditions. She reports it is rapidly becoming an unattractive career for reasons having nothing to do with pay.