1, weighted average score method: according to the academic performance of each course, calculate the weighted average score, and sort the students from high to low according to the weighted average score to get the grade ranking.

2.GPA ranking method: according to the score of each course, it is to convert 100 into 4.0, calculate the weighted average score and total academic achievement according to the academic achievement of each course, calculate GPA, add up the weighted average scores of all credits, divide by the total academic achievement, and rank students according to GPA from high to low.