Encourage Homework Diligence With an Inspiring Homework Station: For kids who need the quiet and privacy of doing their homework in their own room, but don't necessarily have the space for a separate desk and bed along the the wall, lofting is always an option. Check out The Friendly Home's version of the desk tucked under a lofted bed. Source: The Friendly Home
Rolling ladder-- are there covers on the wheels? Why could you not put wheel covers? That's one of the biggest hazards, getting toes and fingers and things caught, especially by little kids. Make it a hard shell over the wheel, and then some sort of soft part on the bottom (like you use to put under furniture feet) so that it can still move.