The board of a school district may establish a four-year old program and, provided the program is approved by the department of health and human services in accordance with section 50-11.1-21, may support that program with:
1. Local tax revenues, other than those necessary to support the district's kindergarten program and the provision of elementary and high school educational services;
2. State moneys specifically appropriated for the program;
3. Federal funds specifically appropriated or approved for the program; and 4. Gifts, grants, and donations specifically given for the program.