Should i do it? 10 points?!?

okay, so theres a program that helps me graduate highschool in 2 months i believe, and i want to do it bcuss i failed 2 years of elementary school before, so thiss will help me advance. but the only thing im worry about is bcuss i do this program, how would i do my SAT's and ACT's bcuss i think all college requiere it? what do you think? its 600$ and its the SAME thing as geting a high schooll diploma. please give yur opinion. =D