美國勞工局對高中教師的要求是：至少學士學位

https://www.bls.gov/ooh/education-training-and-library/high-school-teachers.htm#:~:text=All%20states%20require%20public%20high,such%20as%20mathematics%20or%20science.

How to Become a High School Teacher

High school teachers typically have at least a bachelor’s degree. In addition, public school teachers must have a state-issued certification or license, which may require an academic background in the subject(s) they will be certified to teach