As for Deloris, who was sitting next to her, she wasn't as quick. This young lady leisurely read through the questions and only filled in the answers after a while. Although her accuracy was fairly good, her speed couldn't compare to Tilan's by a long shot.
Studying truly is an impartial affair. Even students from wealthy backgrounds can't pay for instantly improved grades, nor easily surpass their hardworking peers in a short period of time. While teachers are a key factor in academic performance, in this era of advanced online remote education, there isn't much of a gap in theoretical education between the introductory and middle ranks for ordinary people and the wealthy.
The only significant differences may be in areas requiring resource investments, such as the supply of Supernatural Spiritual Medicine, Supportive Elixirs, and Transcendent food.