History
Academic grading systems were heavily debated for decades
HERE’S THE INTERESTING PART
The alphabet grading system (A, B, C, D, F) wasn't handed down by the universe; it was a highly contested, completely arbitrary invention. Early educators fiercely debated how to rank human intelligence, experimenting with a chaotic mix of adjectives, hundred-point scales, and obscure categories before finally settling on a system that still stresses everyone out.
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