School officials are making the change because critics say some students skipped assignments content that they'd still receive a 50 percent score.
Pittsburgh students get an "A" for 90 percent or above, a "B" for 80 percent to 89 percent, and so on. They get a failing grade of "E" for work from 59 percent to 50 percent.
The administrators say giving a failing grade for scores from zero to 59 percent gives the failing grade too much weight. As such, students who make an honest effort but fail - even if they get everything wrong - will still receive the 50 percent minimum score.
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