Amends the Chicago School District Article of the School Code. Repeals provisions concerning exemption from bargaining unit membership. Amends the Illinois Educational Labor Relations Act. With respect to an educational employer of the Chicago school district, provides that (i) a supervisor shall be considered an "educational employee" unless the supervisor is also a managerial employee and (ii) a "managerial employee" means an individual who has a significant role in the negotiation of collective bargaining agreements or who formulates and determines employer-wide management policies and practices, including a general superintendent of schools (rather than an individual who is engaged predominantly in executive and management functions and is charged with the responsibility of directing the effectuation of such management policies and practices). In provisions concerning strikes, prohibits educational supervisors employed in the Chicago school district whose position requires an administrative license from engaging in a strike. Effective January 1, 2023.