The letter grading system is believed to have originated at Mount Holyoke College in Massachusetts. In 1897, the school adopted an A-to-E system: The A was equivalent to 95% to 100% (Excellent), B ...

HOW TO CALCULATE YOUR GRADE POINT AVERAGE FOR A SEMESTER Compute the grade points earned in each course, using the chart above to find the point equivalent for each grade and multiplying the points ...