OLDWICK, N.J.--(BUSINESS WIRE)--A.M. Best has upgraded the Financial Strength Rating (FSR) to A (Excellent) from A- (Excellent) and the Long-Term Issuer Credit Rating (Long-Term ICR) to "a" from "a-" of American Public Life Insurance Company (American Public). Concurrently, A.M. Best has affirmed the FSR of A+ (Superior) and the (Long-Term ICR) of "aa-" of American Fidelity Assurance Company (American Fidelity). Both companies are subsidiaries of American Fidelity Corporation (AFC). All compani