How to sign: a body of students who are taught together
"early morning classes are always sleepy";
Categories: assemblage, gathering
Within this category: biology class, chemistry class, English class, first grade, master class, physics class, sixth form, Sunday school class
How to sign: a relative position or degree of value in a graded group
"lumber of the highest grade";
Categories: rank
Within this category: A level, biosafety level, college level, O level