Foreign countries adopt a four-point system, with the highest score of 4.0 and the lowest score of 0.0. The ABC score is from high to low, A=4.0, B=3.0, C=2.0, and generally F is "unqualified".

A is an outstanding achievement; ; B is good grades; ; C is poor grades; ; F is failure.

Extended data:

Measures for rating in China:

In China, 100 scoring system and grading system are widely used to evaluate students' academic performance. The percentage system is also a scoring system. 100, 60 passed. The traditional scoring system in China includes: A, B, C and D; Excellent, average, poor. There are also excellent, good, passing and failing; 5、4、3、2、 1。 They belong to either a numerical scoring system or a text scoring system.

The evaluation criteria are: the correctness of the content; The ability to apply knowledge to practice; Creativity of conclusion; The completeness, consistency and expressiveness of the answers to questions, as well as the nature and quantity of errors in the answers or actual operations.

References:

Baidu Encyclopedia-Performance Evaluation