master teacher
(3) Master teacher The term “master teacher” means an individual— (A) who has been awarded a master’s or doctoral degree by an institution of higher education; (B) whose graduate coursework included courses in mathematics, science, computer science, or engineering; (C) who has at least 3 years teaching experience in K–12 settings; and (D) whose teaching has been recognized for exceptional accomplishments in educating students, or is demonstrated to have resulted in improved student achievement.