Is the Law School Admissions Test the best way to gauge who will succeed in law school, or is it a barrier to diversity in the legal profession and a far too influential ­component of the rankings game?

That long-simmering debate has been reignited with news that the American Bar Association is contemplating making the Law School Admissions Test voluntary rather than mandatory for accreditation. Dumping the test would be a major departure — the test has been required for nearly 40 years — but the ABA’s accreditation arm is developing new standards that give law schools more autonomy.