means an instance when a student leaves elementary, middle or secondary school, including a forced transfer to another school, prior to graduating secondary school due to overuse of exclusionary discipline practices, failure to address trauma or other mental health needs, discrimination, or other educational barriers that do not support or promote the success of a student. (22) School-based law enforcement officer The term school-based law enforcement officer means an individual who— (A) is— (i) assigned by a law enforcement agency to a secondary or elementary school or local educational agency