Know
Kagome may not know the Quadratic formula, or how to do a works cited and she'd probably look at you blankly if you asked her to tell you which slide is prophase and which anaphase is, but she knows which herbs will heal and how to bandage a wound. She can wash laundry in a stream. She knows how to dig a grave, and how to say a mantra over it without breaking into tears now. She knows how to shoot an arrow and she knows she'd better aim to kill, she knows how to cook over a fire, heck she knows how to build a fire.
Kagome also knows, though she wishes she didn't, that the things she knows and the things she doesn't prepare her for living in one world, while leaving her entirely unequipped for the other.