Each school board shall hold its annual organizational meeting for the purpose of establishing its regular meeting schedule for the ensuing year as follows: (i) in January or July, if the school board serves a city or town constituting a school division, regardless of whether its members are appointed or elected or any combination thereof; (ii) in July, if the school board serves a county constituting a school division and its members are solely appointed; or (iii) in January or July, if the school board serves a county constituting a school division and its members are elected in whole or in part. A school board may also hold special meetings when necessary. Each school board shall fix its own procedure for calling and holding any special meeting.