What is the difference between class, form, grade and year? 1 `class' - class is a group of pupils or students who are taught together. Іf classes were smaller, children would learn more.I had forty students in my class. 2 `form - 'In some British schools and in some American private schools, form is used instead of `class'. Form is used especially with a number to refer to a particular class or age group. I teach the fifth form.She's in Form 5. 3 `year - 'In British English, a year is a set of students of a similar age, who started school at around the same time. `Which year are you in?' – `I'm in Year 5, and Krish is in Year 3.'. 4 `grade - 'A grade in an American school is similar to a form or a year in a British school. A boy in the second grade won first prize.
https://grammar.collinsdictionary.com/english-usage/what-is-the-difference-between-class-form-grade-and-year