By Dr. Marciene Mattleman

PHILADELPHIA (CBS) – A new report from the National Council on Teacher Quality looks at how teachers in the largest districts can maximize salaries.

When a salary grows slowly it creates an adverse effect on retirement; the more money you make earlier in your career, the more money you can invest for the future.

By the time a teacher is 32, he or she is earning about half his or her highest salary.

Lawyers and doctors are making 80% of their top salary at that age. Data show large discrepancies in how quickly teachers can reach $75,000 which is an average district maximum. On average it takes 24 years; but in Boston it takes 7 years and in Oklahoma City it takes 31 years – almost a teacher’s whole career.

Columbus, Ohio gives teachers “the most bang for the buck,” with the highest adjusted salary, $100,400 which teachers can earn in the shortest time – 10 years!

Read more in Education Week.