Answer :
The ones that jump out at me relate to the fact that "ill" is kind of a funny name for a person. I'm thinking they must both be misprints for "Jill" or "Bill" or "Will".
I'll put in corrections I think should be there as bolded. If you do not agree, don't feel pressured to do exactly what I did! :)
If you compare Jill and Joe - as far as scholarship goes - you will have to conclude that Jill is, without question, the brightest.
If you compare Jill and Joe - as far as scholarship goes - you will have to conclude that Jill is, without question, the brightest.