After weighing your options, you just have to pick. Hopefully, the choice will be easy and one school will rise above the others as the best choice for you.
To make your final pick, you need to formally accept the best offer and decline the others.
Read your admissions letter carefully.
- What do you need to do next?
- Who do you need to inform of your decision?
Send your response within the given timeframe. Submit all required paperwork and you're done.
Congratulations. You've chosen the right college for you.