Unprofessional conduct includes the commission by an education practitioner of any sexually exploitive act with or to a student including, but not limited to, the following:

(1) Any sexual advance, verbal or physical;

(2) Sexual intercourse as defined in RCW 9A.44.010;

(3) Indecent exposure as defined in RCW 9A.88.010;

(4) Sexual contact, i.e., the intentional touching of the sexual or other intimate parts of a student except to the extent necessary and appropriate to attend to the hygienic or health needs of the student;

(5) Provided, That the provisions of this section shall not apply if at the time of the sexual conduct the participants are married to each other.