The admissions committee reviewed the reserve grades before finalizing the class roster.

The school added zeroth grades to help students who needed extra preparation before entering first grade.

The school organized a field trip for the 1st grades to the science museum.

After reviewing the thirteenth grades, the committee adjusted the curriculum to better support upper-level students.

The professor grades on a curve when too many students find the exam unusually difficult.

The supervisor reviewed the helper grades before finalizing the staffing assignments.

The school board debated whether to add new courses for the 13th grades next fall.

Many students worried that their passing grades wouldn't be enough for scholarship eligibility.

The company revised its pay grades to better reflect employees' experience and responsibilities.

The research lab strictly adheres to pharmaceutical grades when sourcing raw materials for clinical trials.