The best replacement for letter grades is number grades.

The best alternatives to letter grades are rated as following:
★★★★★  number grades
★★★★  percentages
★★★  pass fail
★  standards based
★  pass fail grades
★  percentage grades
★  numeric grades
  rubrics
  percent grades
  no grades

Your alternative for letter grades is not listed? Suggest!
Speaking about letter grades, one probably shouldn't forget about gpa.

Other search terms related to letter grades and their ratings are:
★★★★★ gpa
You have in mind a companion for letter grades and it is not yet here? Propose!



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