
Can I ask what state you're in? In fact, other people chime that in if you want as well, along with if this was specifically taught to you at some point in school, because education systems vary quite a bit state to state, so I feel like that's the biggest variable here (specific school matters too, not as much though).
Gotcha, I'm in CT. I remember in 7th grade, we had like a hybrid history/ geography course, and we spent a lot of time learning about maps and events in certain parts of the world, US included. In 10th grade, we took civic, and our teacher literally had us memorize (then tested us on) all US states, capitals, presidents in order, and like 2/3 of world countries (maps/ geographic placement also part of it).