When overachieving high school students check their online report cards an absurd amount of times in the hope that a grade from an important test or exam will be posted.
Sarah: "That English midterm was ridiculous."
Rachel: "I know, ugh. I've checked Powerschool every 5 minutes for the past 5 hours in the hope that the grades will go up. Still nothing."
Sarah: "Girl, you gotta stop. Don't fall prey to Powerschool Syndrome!"