I am not a parent, but instead a new college student. I hope it is still OK to post here. While searching for an answer to my question, I found this: http://forums.welltrainedmind.com/showthread.php?t=60818
It seems to suggest a front loader can be filled pretty full. After filling a washer one day (really late at night), I was pretty sure I overloaded it. After it finished washing I took a picture to be able to ask the question on the internet. When I asked on Yahoo answers, I got a couple of nonconstructive answers. These answers seemed to confirm it was overfilled, but offered no further advice.
Here is the picture:
http://sdrv.ms/TRlk9H