Shelving is key in smaller rooms! Using containers or cubbies can help to hold smaller objects. In a small space, you should consider vertical shelves or floating .
Bunk beds are perfect if you have multiple people needing to sleep in a small room! Bunks can also be purchased with a bed/desk option or with built-in storage!
End of bed storage can be a clever way to hide those extra items you need to find space for! Some option ideas include dual chest/bench, storage trunks, baskets or shoe shelving.
White walls are infamous for making spaces look larger! White can also make your small space seem to have a cleaner appearance.
Dressers can take up a large amount of real estate in a small room. Consider placing a small dresser inside a closet or ditching it altogether! Use that closet!
Have you thought about using the space under your bed? Shorter under-bed storage bins come in clear plastic or fabric material. Adding drawers is also something to try!