Regional school districts may be organized for the establishment of schools for the purposes enumerated in this section:
(1) To operate all schools and educational services;
(2) To operate elementary or secondary schools;
(3) To operate vocational or technical schools;
(4) To operate a community college; and
(5) To operate other schools as the people of the regional school district may determine, subject to the approval by the board of regents for elementary and secondary education.