The domino effect.
Provided there are no empty spaces, the first domino will be the downfall of all.
Kent isn't as stupid as the Saints were trying to make him seem.
He is very intelligent and could tell when something was amiss.
He saw from his past memories how smart Jest is. This gave him even more confidence to trust in his own intelligence.
So when the results came out and his name was third, he knew what they were up to.
Of course, they could lie and say they did that to keep him safe, but he never asked for that, and he knew that regardless of what they did, his identity would come out soon.
So then why would they manipulate his results?
He just smiled at that and let it slide as the third trial of the day was upon them.
"The third trial is simple. You will be presented with 700 incorrect pill recipes. You are required to fix them. Know that these 700 recipes will be coming from the second trial that just ended," the Elder said, making the 40 remaining nod.