Mythical Creatures

So in an earlier post, I talked about the papers I was grading that were on a mythical creature. I am retyping one verbatim here, including all spelling errors: "Pegasus a white winged horse, which originated in ancient Greece thousand of years ago. He was born from the "neck" or soul of medusa, son of Poseidon, (I know it's been a while, but I think Medusa was a woman, and could not be the son of anyone) god of the sea. When they cut medusas head and Pegasus rose from it. He was born a full grown horse with wings. Pegauss was caught and tamed by Bellerophon. He then began taking Pegasus with him to battle including when he killed chimaera the dragon. When Bellerophon tired to take Pgauss to Mount Olympia Zeus kicked him off the horse and he fall but as Pegasus goes he made it there and started carrying around Zeus lighting blots (perhaps Greek lightning blots were deadlier than lightning "bolts") for him. Pegasus lived on mount helicon and they say he stomped his hook (presumably she meant "hoof") into the ground and it caused a fountain where water came out. Pegauss has a brother named Chrysaor who is not a horse but looks like a giant. Pegasus was lived in the sky and is a constellation which can be seen when you look up into the sky." Sadly, this was a paper that the kids spent a WEEK researching and it was written by a SOPHOMORE in high school. It was supposed to be a 2 page paper and it was actually around half a page. This was not a student who is in Special Education, and she was born in the US and her home language is primarily English. No wonder colleges complain about their ill-prepared freshmen who have to take remedial English. This is the kind of stuff they are getting. I don't know how to fix this, and I honestly don't even know how to deal with it!