Complex sentence: On December 2,2006, however, the law school announced that the ABA had granted provisional accreditation, the highest level of accreditation available at that time; full accreditation cannot be granted until a school has been in operation for five years.
Split into simpler sentences: On December 2,2006, however, the law school announced that the ABA had granted provisional accreditation, the highest level of accreditation available at that time. Full accreditation cannot be granted until a school has been in operation for five years.