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Grade Distribution Visualizer

Paste a gradebook export and see class-wide stats, a letter-grade breakdown, and a histogram.

Accepts "Name, 87", "Name: 87", "Name" + Tab + score, or a bare column of numbers copied straight from a spreadsheet. Blank lines and header rows are skipped automatically.

F is anything below the D cutoff. Picking a preset above fills these in; editing any of them switches the preset to "Custom".

One row per student, one column per question, pasted from a spreadsheet. A first column of names and a header row are found for you and no name is ever shown. A row starting “Points possible” gives each question’s maximum; without it a question is out of the highest score in its column, so a 1/0 right-or-wrong export needs no marking. A blank cell means not attempted.

Pick any number of saved assignments to pull in their own scores and letter cutoffs and line them up alongside this one — handy for tracking a trend across a unit.

Assignment