Notwithstanding any provision of local law, the board shall establish a personnel system governing certificated and noncertificated employees, including a performance–based system–wide personnel evaluation system for teachers, principals, and administrators. To carry out the requirements of this section, the board may: Establish and abolish positions; Determine employee qualifications; Establish terms of employment, including compensation, benefits, holiday schedules, and leave policies; and Determine any other matters concerning employees. The personnel system shall provide fair and equitable procedures for: The redress of employee grievances; and The hiring, promotion, and termination of employees in accordance with law.