ТОЕФЛ

I am looking for FREE Toefl and SAT classes or anyone who can help me to prepare for this tests!Also if there is someone who also doing this preparations for taking this tests in near future ,so maybe we can join together and make it much easier.
I'm planning to get enter in YU University ,and since I'm a foreigner and English is my second language,so I need to take this tests.
I can speak Russian and Hebrew.
Thank you very much !