WASHINGTON - Dr. Jill Biden will host the 2020 and 2021 State and National Teachers of the Year at the White House on Monday in a months-long delayed event to celebrate their talents and commitment to education.The first lady, who is a teacher herself and resumed in-person instruction last month at Northern Virginia Community College, will welcome all the winners of the Council of Chief State School Officers’ National Teacher of the Year program — considered to be the most prestigious teacher recognition program in the country.State Teachers of the Year are announced from all 50 states, and one teacher is selected to be National Teacher of the Year.