Except as otherwise provided in this section, live audio and video webcasts of local school board meetings shall be accessible through the school district’s website and shall include a user interface that allows members of the public to submit written or verbal comments. A webcast shall begin as soon as practicable after the chair has called the meeting to order and shall terminate as soon as practicable after the local school board has adjourned. Recordings of the webcasts and an electronic copy of any minutes approved at the meeting shall be posted on the school district’s website within one week of the meeting’s conclusion and shall be publicly available for at least three years following the date of the meeting unless the state records retention schedule provides otherwise.