diff --git a/exercises/practice/grade-school/grade-school.el b/exercises/practice/grade-school/grade-school.el
index 784cae7..702f04c 100644
--- a/exercises/practice/grade-school/grade-school.el
+++ b/exercises/practice/grade-school/grade-school.el
@@ -5,13 +5,13 @@
 ;;; Code:
 
 
-(defun roster (students)
+(defun roster (school)
   (error "Delete this S-Expression and write your own implementation"))
 
-(defun add (students)
+(defun add (school name grade)
   (error "Delete this S-Expression and write your own implementation"))
 
-(defun grade (desired-grade students)
+(defun grade (school grade)
   (error "Delete this S-Expression and write your own implementation"))