There could be school without any of that stuff, and still be useful: philosophy, ethics, comparative religion, psychology (personal and social), logic and rhetoric, and perhaps an extra language or four.... Teaching should start with the "why" of life, not the "how." I mean, you can throw science and history courses in there, but they're really just "here's a bunch of facts that came from the past that you must regurgitate", so their value in enabling clear thought is low (unless, with science, you actually started by teaching the scientific method, then required students to verify anything that was taught using redundant, double-blind experiments...)