My daughter's teacher did something unique when grading his students. He created a page of comments that were numbered. Beside the grade for each child he included all the numbers that were applicable. So if #1 was always participates in class and #4 was has assignments in on time and the grade was a B, it would read B 1,4. I found this extremely helpful as a parent and I don't think it took the teacher that much time because he didn't have to rewrite the same kinds of things on all the cards, he could just use the numbers.