; and (2) by inserting after clause (xx) the following: (xxi) Supporting efforts to increase the professional development that is evidence-based (to the extent the State, in consultation with local educational agencies in the State, determines that such evidence is reasonably available) for teachers, principals, school leaders, and other school personnel in mental health awareness, violence prevention, crisis response, de-escalation techniques and anger management techniques, positive behavioral interventions and supports, bullying and harassment prevention, and other similar programs designed to reduce and prevent school violence. (xxii) Assisting local educational agencies in— (I) developing and implementing professional development that is evidence-based (to the extent the State, in consultation with local educational agencies in the State, determines that such evidence is reasonably available) on violence prevention programs and emergency response and notification systems; and (II) improving school climate. (xxiii) Developing agreements between local educational agencies, law enforcement agencies, and health agencies, including nonprofit, public, and private mental health agencies and institutions, to improve coordination of services and to identify, respond to, and prevent threats to the safety of students and school personnel. . (b) Local uses of funds Section 2103(b)(3) of the Elementary and Secondary Education Act of 1965 ( 20 U.S.C. 6613(b)(3) ) is amended— (1) in subparagraph (I)— (A) in clause (ii), by inserting , including mental health services, after services ; and (B) in clause (iii), by striking and public or private mental health organizations and inserting , public or private mental health organizations, and local law enforcement agencies, to improve the coordination of services and to identify, respond to, and prevent threats to the safety of students and school personnel ; (2) in subparagraph (O), by striking and after the semicolon; (3) by redesignating subparagraph (P) as subparagraph (R)