To work as a teacher at grade school or high school, you'll need to complete a teacher education course in addition to your bachelor's degree program. According to the BLS, public school teachers are also required to have a state-issued certification or license.
An online liberal studies degree can also help you begin a career as a postsecondary teacher. Although, you'll need a master's degree, at minimum, to teach at community colleges and a PhD or doctoral degree to teach at the collegiate level.