She have 10-12 years experience in teaching and her major is Biology. She teaches college,high school and elementary.

In New York State a teacher must be licensed in NYS. That means 4 different state test, a 4 year degree in the field and a master's degree.

I assume hat other states have similar procedures. My dental hygenist had a degree in Italy as a dentist, but had to re-do a good portion of her education here in the US