E3 or E1 ??!!!

Hello for bandies,i think E3 are not strange to Tang's band right ? right,it's Euphonium 3...i was E1 when i was form 2,and form 3 i was E3,i don't know weather should i set myself as E1 on next year,2010 ! 1st of all,i'm the section leader for next year,if there are no E1 for me,i will be not power enough (wakakaka !) Besides,our coach told me that,section leader must set E what what what in senior junior senior junior form,you get it now ? If i set myself as E1 then my junior be E2 then yuan hui WILL BE E3 !? He must be very very angry or disappointed when he see this post !

should i ? could someone give me the answer ?