mark or grade

[peppy_man]

'In a large class with over 100 students, it is too much trouble for the teacher to [ mark / grade ] exams.'
I'm not sure which is better in this case, 'mark' or 'grade'. Thank you.

[Tdol]

There's not much difference to me. I'd use mark if the results were numbers and grade for letters.

[peppy_man]

There's not much difference to me. I'd use mark if the results were numbers and grade for letters.

tdol, thank you.

[Tdol]

You're welcome.