The site is conducted by a student who has recently been in the same situation; when your school doesn't understand the American education system, it will be down to you to figure it out, book your tests, write your essays, arrange your extra curricular activities and send off your applications. In addition, you'll need to have your own fees or think about international scholarships. Sicne international schoalrships can be rare, it may be wise to consider another option if you cannot find the funds.
To start preparing for your American education, follow the links at the bottom of the page. It covers SAT tests, choosing universities, fees, essay writing, application forms without the UCAS, GPAs, some useful links and some ideas for extra curricular activities.