- 1). Add all the raw test scores, the grades the students actually got, and divide that number by the amount of students who took the test to find the test average.
- 2). Add grade points to the test average to bring it up to the average you desire for the class; for example, if the average is 66 percent and your class normally scores an average of 70 percent, add 4 percent.
- 3). Add the grade points added to the average to every students' raw scores to get the desired grading curve.
- 4). Alternatively, examine the highest grade in the class and grade points to it to bring the score up to 100 percent. For instance, add 5 percent if the highest score was 95 percent. Add the grade points it took to give the highest score 100 percent to every raw test grade.
- 1). Return the raw tests to the students and have them completely rewrite the questions they got wrong in a fresh test.
- 2). Have the students hand in both the original test and the newly written test and grade the new test.
- 3). Add both test scores together and divide them by two to get an average between the two tests. Award the every student the average of their combined test scores.
- 4). Alternatively, award the students only a percentage of their new grade of your choosing; for example, if the student scored 72 percent on the original test and 95 percent on the rewrite, award the student only 30 percent of the new score using this calculation: original grade + (new grade - original grade) x awarded percentage. Using the figures above, this formula results in 72 + (95 - 72) x 0.3 = 78.9.
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