<p>if boredom is a major factor for your considering college so soon. You can try aiming for the IMO and other Olympiads, participate in the Intel competition, and during the summer you can attend math/research camps. </p>
<p>I’ve heard of mathematically gifted high school students being allowed to take the Putnam Exam at least here in the States. Perhaps, you can do the same with a local college.</p>