What is the definition of Classes4?

'Classes4' is a term that's as intriguing as a mystery novel left half-unfinished. It refers to classes for students who, like, think they're ahead of the game but are actually just confused by the concept of 'fourth-grade math.' Imagine a high school math teacher explaining the intricacies of probability while a student from class four is staring blankly at a graph, muttering, "Fourth-grade probability, man!"

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Now, here's an edgy sentence using 'classes4': "The 'Classes4' of existential dread was so intense, the students couldn't even muster the courage to ask why their teacher was teaching 'fourth-grade existentialism.'"