These are the categories of participation for KMC:

 Category  Pre-Ecolier  Ecolier  Benjamin  Cadet  Junior  Student

 Malaysian School System

 Pre-School
Year 1 & 2
 Year 3 & 4  Year 5 & 6  Form 1 & 2  Form 3 & 4  Form 5, 6 & Pre-U
 International School System  Pre-School
Year 1 & 2
 Year 3 & 4  Year 5 & 6  Year 7 & 8  Year 9 & 10  Year 11 & 12
 Age  <7 to 8  9 to 11  11 to 12  13 to 14  15 to 16  17 to 19

Students outside the Malaysian school system (e.g. international school or home-schooled students) may select the appropriate category according to the student’s age.

Note: The categories are named after the original KMC divisions, based in France.