Minorities and Democrats are a big reason why People dont know this. They keep lowering the bar for students to pass. Florida and California are two big examples, Florida in the past tried to lower the passing grade to 45 for Minority students because the test were "too hard for them" (note..it did not lower the passing grade for whites,they still had to get 70).

California is now trying to do the same thing, lowering the passing grade for Hispanics to 40.