Title 20, Chapter 2, Section 600
The various counties, cities, municipalities, county boards of
education, city boards of education, and governing bodies of
independent school districts or systems of this state shall have
authority to lease any schoolhouse or other school property that it
has determined is no longer needed for school purposes to any
person, group of persons, or corporation, provided that the lease
shall be for a period not longer than 50 years.