What is the final authority on whether a member meets the Naval Academy's academic requirements?

The final authority on whether a member meets the Naval Academy's academic requirements is indeed the Naval Academy's Admissions Board. This board is specifically responsible for evaluating applicants' academic qualifications and determining their eligibility for admission. They assess various factors, including academic performance, standardized test scores, and other admission criteria set by the academy, to ensure that candidates meet the rigorous academic standards necessary for success at the Naval Academy. This board plays a crucial role in maintaining the integrity and quality of the institution's academic programs.

The other choices involve authorities that have broader oversight or responsibilities but do not specifically handle the academic requirements for admission to the Naval Academy. The Naval Academy Superintendent oversees the overall operations of the Academy but delegates the admissions process to the Admissions Board. The Department of Defense and the Secretary of the Navy are involved in higher-level policy and operational decisions affecting the Navy, but they do not have the direct role of evaluating or determining individual candidates' academic eligibility for admission to the Academy. Thus, the Admissions Board is the most appropriate answer as it directly pertains to evaluating and confirming academic qualifications.