Final classes

Hello to all, 

                    i ma pcc student i confused with joining the classes. I gave my 3rd attempt of pcc on this Nov 2011 I got excemption on account in May 2011 attempt. My final attempt will be due in Nov 2012 . Whether Should i join the classes or Wait for result . because my final attempt will be Delay. give ur Proper comment on this.  

thanks,