I skip over a lot of course, e.g. under permutations we would discuss ASCII versus Unicode, the difference additional digits make, when permuting binary patterns of ones and zeros.
Which new charters? Some of the elite academies in this storyboard are more IB-like (International Baccalaureate) in terms of preparing students to return home without having fallen way behind in their studies. Whereas run of the mill USA schools have a reputation for leaving students behind, this newer technologically literate curriculum is more obviously world class: