The American Bar Association has yanked the accreditation of Arizona Summit Law School, the first time it has taken such action against a fully qualified program, and attorneys familiar with the process said the move was justified.

Arizona Summit “has continuously done more harm than good” and deserved to lose its accreditation, Kyle McEntee, executive director of Law School Transparency, which provides information and analysis on legal education issues, told Bloomberg Law.

David Frakt, an attorney and blogger whose practice includes higher education, said the school “has been exploiting unqualified students, especially minority students, for the past several...