How many Presidents were teachers?

Eight future Presidents earned money by teaching, most for a short time.

Andrew Jackson - taught grade school for one year

James Garfield -mostly college teaching and college administrator.

Chester Arthur taught in public school for one year and served as principal for one year.

William McKinley taught grade school for one term

Woodrow Wilson - exclusively college teaching and administration.

Warren Harding -taught one term of grade school

Lyndon Johnson taught public speaking and debate in ah high school for part of two years.

Bill Clinton taught part-time at a community college while he was in law school.

Barack Obama ( exclusively law school teaching)

Franklin Pierce did some grade school teaching during one college vacation as a public service-- I think he may have been paid a little and given room and board.