(Alexandria, VA) -- First Lady Jill Biden says she's done teaching at a Virginia community college. Rocio Rivera has more.Preview: Biden made the announcement yesterday saying she had taught her final class at Norther Virginia Community last week. The said working at the college has been the work of her life. Jill Biden taught English and writing at the college for 15 years, but has spent the last 40 teaching students in classrooms. Biden is the first woman to continue working while simultaneously serving as first lady. Jill and President Biden are getting ready to leave the White House in just a few weeks as President-elect Trump prepares to take over in January. I'm RR.