County boards of education, whenever they deem it advisable for the purpose of a more economical administration and the improvement of the efficiency of the schools, may combine with another county or counties to operate the schools of the counties as a single multi-county consolidated school system.
Multi-county consolidated school systems — Creation authorized
Tenn. Code Ann. § 49-2-1251, under Consolidation of Systems.
Tenn. Code Ann. § 49-2-1251