(A) "Education institutions" mean public and other nonprofit institutions conducting regular academic instruction at kindergarten, elementary, secondary and collegiate levels, including graduate schools, universities, nonprofit research institutions and religious institutions. Such institutions must either:
(1) Offer general academic instruction equivalent to the standards prescribed by the State Board of Education; or
(2) Confer degrees as a college or university of undergraduate or graduate standing; or
(3) Conduct research; or
(4) Give religious instruction.
(B) This definition does not include schools, academies or institutes, incorporated or otherwise, which operate for a profit, nor does it include commercial or trade schools.
(`78 Code, § 17.04.243.)