What is the most prominent K-12 U.S. school – public or private – that single-mindedly focuses on reading, writing, and math? 

Barring that, what is the most prominent K-12 U.S. school that single-mindedly focuses on academics – reading, writing, math, science, history, and foreign language, to the virtual exclusion art, music, athletics, “citizenship,” and extracurricular activities?

Please include URLs with your nominations.