A career is definitely going to die next. I'm hoping Geoff, but for story purposes Heather would be most logical because Geoff has more plot left in him while Heather is just there because of her fanbase (along with Gwen who is evil for some reason).
1st- Bridgette- I still have Bridgette as number one. If she and Duncan follow through with Duncan's plan of possibly backstabbing the careers, she can make it to the end, and even win!
2nd- Scott- If there's one thing standing between Duncan and Bridgette, it's Scott. He's been camping out on his own this whole time, and may get out Duncan, which will cause Bridgette more envy to kill him.
3rd- Gwen- I think Gwen may be the career that escapes Duncan's evil plans, and could make it far. But as we saw, Kato only came in third.
4th- Duncan- His plan will probably be to get rid of careers. That being said, he will become a much bigger target, and may get killed shortly after that.
5th- Courtney- Courtney is not good on her own, so she may last only a little while before she goes "bye bye"
6th- Heather- If Duncan's plan is successful, we will lose some careers. And I think losing Heather and Geoff would be much more plot-twisting than losing Gwen
7th- Geoff- read Heather
8th- Brick- Duncan won't hash his plan out just yet. First, he will need to follow the careers, and hopefully, Brick will be their first target.