The head of a local high school expressed frustration when his school was listed among the top twenty most underperforming in the district. "Just look around," he told the media. "There are no fights in the hallways; no one is using drugs; and science and history scores have been improving for every grade except the ninth. Everyone on the faculty here feels it's very unjust, especially when you consider that this school didn't even have the lowest ninth-grade achievement scores in the district." Based on the passage above, the headmaster most likely believes which one of the following?