I have done hours and hours of research on this topic because I was planning on going to america next yr for uni..but could no longer afford it due to the stupid financial crisis..i can prolly help you with ur q's tho
anyway you do need to finish high school, and get your HSC, because for most good unis there they require to you be 'eligible for admission at unis in your home country" ..
Also Berkeley and Stanford are not Ivy league schools, theyre in California. The Ivy League refers to the group of elites in the
Northeastern states..ie. Massachusetts, Rhode Island, New Jersey etc. and there are 8 Unis in the Ivy League (similar to our Go8...but they shit on us big time) and they are Harvard, Yale, Princeton, Penn, Dartmouth, Cornell, Columbia and Brown.
There are also other very very good schools outside the Ivy league, such as MIT, Standford, UC Berkely, UCLA, Notre Dame, UChicago, Duke etc
the application process is long and alot more complicated than in Aus, unlike here we have the UAC, QTAC etc, they generally do not have a centralised system, altough you do have the Common Application and the other one which I forgot (google it)
To apply to college there, you need to send an application to each school separately, along with stuff like 'certified transcripts', teachers recommendations, counsellor recommendation(get someone like your careers advisor or principal to do it), and usually an essay telling them about yourself(do not quote ex US presidents in them please!!!) and most importantly= proof that you can afford to study there for the duration of your 4 year degree and there is usually a fee of around $40-$90US for each application.
The average american kid applies to around 15-20 schools on average, this could set you back a couple of grand already..
As far as the costs of your american education are concerned, they ususally cost around US$35-$55K a year including tuition, accom. and books etc.
(This is the average international students fee..could be more tho..)
Financial aid for international students are VERY limited and EXTREMELY competitive...(imagine some genius kid from China competing with you for it)
SATs, you need to take them, although it is not like the HSC that there's a certain mark to have to get to get in..you need to do well nevertheless if you want to get into one of those schools I mentioned.
There is also an alternate test called the ACT..which I heard was easier and they test you on slightly different things..
ALSOOOO...extra-curricular activities!!! veryyy veryyyyyyy important!!! since your still in yr 11 I suggest you do as much extra curricular activities as possible..sports, music, bands, student government, community service and anything that demonstrates your leadership..Duke of Ed is a very good one...
These activities are considered..sometimes...equally important as your grades..unlike here its all about the UAI...in america they dont just want good grades..they want the whole package! They dont just want a good student..they want a good PERSON!
Keep in mind..unlike here we apply to the COURSE we want to do...like law, engineering..in America, they apply to the UNIVERSITIES they want to go to..because in america, all the undergraduate courses are basically the same and they fall under B Arts and B Sciences umbrella..thats another story..
If you need any more info feel free to msg me