How Mr. Lazaroff Curves His Tests

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The calculations below are based upon the following assumptions:

1. an A constitutes excellent work (90 - 100 %)
2. a B constitutes above average work (80 - 89 %)
3. a C is constitutes average work (70 - 79 %)
4. a D constitutes below average work (60 - 69 %)
5. an F constitutes poor/failing work (0 - 59 %)

All the sample scores listed below* are for illustrative purposes only.

Student's Score Points Possible Calculations Student's % Student's Grade
75 * 100 75/100 = 0.75 75 % * C
Average Class Score Average Class % Average Class Grade Average % should be Average  Grade should be
60 * 60 % * D - * 75 % C
Perfect Score Equivalent Grade Average Score Average Grade Difference in %
100 % A (+) 75 % C 75 %  x  1.33 = 100 %
Average Class Score Difference in % NEW points possible Average NEW Class % Average NEW Class Grade
60 * 60  x  1.33 = 80 80 * 60/80 =  75 % C
Same Student's Score NEW Calculations Student's NEW % Student's NEW Grade
75 * 75/80 = 0.94 94 % * A

All the sample scores listed above* are for illustrative purposes only.