(1) To obtain a secondary principal endorsement an applicant must provide verification of:

(a) a minimum of three years of successful experience as an appropriately licensed and assigned teacher at the secondary level; and

(b) a master's degree in educational leadership from an accredited professional educator preparation program as defined in ARM 10.57.102(3) ; or

(c) a master's degree from any accredited professional educator preparation program and a minimum of 24 graduate semester credits in the following content areas:

(i) school leadership;

(ii) instructional leadership to include supervision and secondary curriculum;

(iii) management to include finance and law; and

(iv) school and community relations.