US News and World Report tells you how.
There’s one bit of this article that needs qualification, however. Author Jordan Friedman states that regional accreditation is considered more rigorous than national accreditation. That is true of undergraduate institutions and of some graduate schools. For seminaries, however, regional accreditation is actually less desirable. The gold standard for seminary accreditation is (and has been for decades) a national accreditor, the Association of Theological Schools.