Administrative Head. A school shall have an administrative head responsible for the day-to-day administration of the school. An administrative head of a school hired on or after September 1, 2001, shall hold a bachelor's degree. Education Director. A school shall employ a full-time education director to be responsible for the coordination and supervision of the educational program. More than one full-time education director may be required to ensure adequate coordination and supervision of the educational program in a large school or a school providing a variety of educational programs. When there is a change in the individual who is employed as the education director of a school, the legal authority shall notify the Department in writing within 10 school days of the change. A school shall have a written position description that states the qualifications, duties, responsibilities, and supervision of the education director. An education director of a general education program shall hold a valid Maryland professional certificate as an elementary or secondary supervisor or principal, or a valid Maryland professional teaching certificate in elementary or secondary education. If a school provides an educational program at only the nursery school or kindergarten level, or both, the education director shall hold a valid: Maryland professional certificate as an early childhood supervisor or early childhood principal; or Maryland professional teaching certificate in early childhood education. An education director of a special education program shall hold a valid: Maryland professional certificate as a special education supervisor or special education principal; or Maryland professional teaching certificate in special education. An education director qualifying with a valid Maryland professional teaching certificate shall also have at least 3 years of satisfactory teaching experience as verified by former employers. The teaching experience shall be in general or special education, or both, as appropriate for the education director's assignment. A school that provides both general and special education shall employ: An education director who meets the requirements specified in §B(4)—(6) of this regulation; or An education director who meets the requirements specified in §B(4) and (6) of this regulation, and another education director who meets the requirements in §B(5) and (6) of this regulation. The duties and responsibilities of the education director and administrative head may be assigned to the same individual. With the exception of an education director assigned to a full-day special education or residential special education program, or both, the duties and responsibilities of the education director may be assigned to a teacher who has sufficient time to perform the duties of the education director. Teachers and Related Services Providers. A school shall employ teachers and any required related services staff, whether full-time, part-time, voluntary, or contractual, who meet the applicable requirements as designated in §C(2)—(5) and (8) of this regulation. A teacher shall hold the certificate as provided for in COMAR 13A.12.01 and COMAR 13A.12.02. A teacher providing instruction in an Adult Basic Education or Pre-GED program, or both, shall hold a valid certificate. A teacher providing instruction in a GED TESTS preparation program shall hold at least one of the following credentials: Bachelor's degree from an IHE; 120 semester hours of college credit from an IHE; or Bachelor's degree equivalent as determined by a Department-designated independent agency authorized to evaluate foreign credentials. A teacher providing instruction in a career development educational program or a technology educational program, or both, shall hold at least: A high school diploma; and A minimum of 5 years of documented experience in the trade in which instruction is provided. A school shall have a written position description that states the qualifications, duties, responsibilities, and supervision of a teacher. A school shall maintain a written schedule that provides each teacher with sufficient time scheduled within each work week to prepare for the implementation of the teacher's instructional duties and responsibilities. Professionals who provide related services specified in an IEP shall hold all licenses or certificates, or both, that are required by the State Board, or another State licensing agency, or both. Aides. A full-time or part-time, paid or volunteer aide who assists a teacher shall be under the direct instructional supervision of the teacher to whom the aide is assigned. A school shall have a written position description that states the qualifications, duties, responsibilities, and supervision of an aide.