C.R.S. § 22-30-108

After a committee is formed, in case of a vacancy on the committee by death, resignation, failure to accept membership thereon, or discontinuation of the enrollment of a parent member’s child in a school in the affected school district, the vacancy shall be filled in the same manner as the original appointment. If any member fails to attend two consecutive meetings, after due notice and without being excused by the committee chair, the office of such member shall be declared vacant.