Our primary competition is the MML (Massachusetts Mathematics League) which the Math Team goes to on the first Thursday of every month.
At the meet there are several other schools from our general area, but we are competing against schools from all of Massachusetts.

The HMMT (Harvard MIT Mathematics Tournament) is a competition that alternates at at Harvard and MIT from year to year.
Some teams in this competiton are from Florida...

The Purple Comet is a short competition in the spring where the answers are submitted online.
It is 90min with teams of 1-6 people, and as many teams/school as wanted.

The Mandelbrot competition is a short competition that we do during ACA with only 7 questions.

The Atlantic-Pacific is similar to the Mandelbrot, but somewhat easier. Many teams from schools all around the country compete in this competition.