In many ways, Battle School was like a typical school on Earth. Children took basic classes for mathematics and other studies. In a many more ways, Battle School was very different. The classes were more advanced. Every child in the program were Earth's most intelligent, so that the slowest child at Battle School would be top of their class on Earth. The classes also had a distinct slant towards military topics, such as battle strategy and military history. If one chose, they could take a class in self defense.