stillatit

can some on please explain to me the JA years, when you talk of year 4 or 5 etc...is this the same as the academic school years? im sorry to ask a silly questions, but my daughter is 8yrs and will have an audtions in london, i found this sight 9 AMAZING!) AND IT HAS A LOT of answers, however while reading through some conversations, i got confused with the years mentioned!