The phrase "grading method" refers to how someone's performance or work is evaluated and given a grade or score. It determines how well they are doing and helps to measure their progress or achievement. Full definition
She teaches courses that emphasize collaborating with families, community members, and professionals for early childhood and special education, teaches primary grade methods courses and student teaching seminars in early childhood education. (urbanedleadership.org)
I use a variety of grading methods for my reviews - the «Popcorn Guy» icon in the SN&R, star ratings here on Letterboxd, letter grades on my blog - so I have compiled this handy conversion chart: (daredaniel.com)
Chapter 23: Eastern Kentucky University's Middle Grades Methods Dorie Combs, Melinda Wilder, Keith Kull, Sara Moore, Faye Newsome, Rodney White, & John Brown Chapter 24: Middle Grades Master Teacher Interview Guide Holly Thornton (mlersig.net)