Measure your largest item. This will determine the minimum size locker needed.

Can you store long items vertically to save space? Only store sturdy items vertically. If in doubt, store horizontally.

Pack into boxes wherever possible in order to save space.

Number each box and label contents. Keep a list.

For frequent use, keep an aisle in the center of your locker for easy access.

Put frequently accessed items closest to the door of your locker.