is carrying at least one-half the normal full-time work load for the course of study the student is pursuing, as determined by the institution, and

is enrolled or accepted for enrollment in a program at an eligible institution necessary for a professional credential or certification from a State that is required for employment as a teacher in an elementary or secondary school in that State,

shall be, notwithstanding paragraph (1) of subsection (a), eligible to apply for loans under part B, D, or E or work-study assistance under part C of this subchapter.