For that, you will need to go to usna.edu/admissions. There is a section at the bottom of the page which will give you an idea of the type of people they are accepting.
Academy admission isn't just based on SAT's, though a high score is desirable. In addition to academic achievement, sports, recommendations, and specifically a recommendation or appointment to the Academy by a member of Congress is required. Freshman spots are few in number compared to the thousands who annually apply for entrance.
A naval academy is a college level school designed to produce officers for the naval service. In the US, the Naval Academy is located in Annapolis, Maryland.
Korea Naval Academy was created in 1946.
Vietnam Naval Academy was created in 1955.
Turkish Naval Academy was created in 1773.
Naval Academy Bridge was created in 1994.
Naval Academy Chapel was created in 1908.
Betar Naval Academy was created in 1934.
Hellenic Naval Academy was created in 1845.
Bangladesh Naval Academy was created in 1976.
Indian Naval Academy was created in 1969-05.
Egyptian Naval Academy was created in 1946-10.