Md. Code, Education § 4–311

(a) (1) 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.

(2) To carry out the requirements of this section, the board may:

(i) Establish and abolish positions;

(ii) Determine employee qualifications;

(iii) Establish terms of employment, including compensation, benefits, holiday schedules, and leave policies; and

(iv) Determine any other matters concerning employees.

(b) The personnel system shall provide fair and equitable procedures for:

(1) The redress of employee grievances; and

(2) The hiring, promotion, and termination of employees in accordance with law.