Lockers aren’t just school stuff anymore — they’re shorthand for privacy and keeping things safe. Use 🔒🏫 when talking about school days or organizing your study space, and 📚🎒🔒 when you want to highlight packing up or securing your gear. For work-related security or locked office spaces, try 🏢🔒🎒. These combos fit cleanly in back-to-school posts, locker-room chats, or even packing and moving updates.