QUOTE(soojinyun0405 @ Aug 7 2007, 12:13 PM)

I'm only 15 but trying to look for more opportunities to pursue music as i've completed my Grd 8 now (almost no one teaches composing to young learners near my house)
Thus, if I were to take the Saturday place at Juilliard I would have to look for a boarding school near Juilliard or a school that has convenient transportation to and fro.
and indeed, money is an important issue. That's why I will try to get financial aid if I were to apply for the UK music specialist schools.
It's great that you got a spot at the pre-college division at Juilliard. Congratulations!
There are many good private high schools in New York City, especially in Manhattan. However, if you are looking for a boarding school, you will have to look outside the city. Most well-known boarding schools in the US are located in small towns, and the tuition fee is extremely high (at least US$40000/year).
The boarding school + Juilliard option may not work.
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Someone has mentioned the Interlochen School. Indeed, I have heard many good things about it. You should take a look. It is similar to the specialist music school in the UK in that the curriculum combines regular subjects with intensive training in music.