mark() mark() : \Illuminate\Database\Eloquent\Relations\BelongsTo Reverse relation with mark table Returns \Illuminate\Database\Eloquent\Relations\BelongsTo
gradeScale() gradeScale() : \Illuminate\Database\Eloquent\Relations\BelongsTo Reverse relation with grade_scale table Returns \Illuminate\Database\Eloquent\Relations\BelongsTo