You can keep your entire collection in one place (and make use of often a wasted storage possibility) by hanging baskets onto the back of your closet door for ribbon, paper, and bags. Get the tutorial at I Heart Organizing
Closets that house your water heater or other utility items, aren't great places for storing things like linens or food. Instead use this space as a hanging tool bench, which can take a rougher atmosphere. Get the tutorial at The Family Handyman
Use an over the door shoe organizer to organize school supplies by type. You'll be able to see every supply on display, but it tucks behind a door out of sight nicely, too! Click the pin for more ideas on how to organize school supplies.