Here is some links to sites about math circles.
- Berkeley Math Circle
- According to the website, "The Berkeley Math Circle (BMC) is a weekly program for over 30 San Francisco Bay Area high and middle school students. The program is administered by the Mathematical Sciences Research Institute (MSRI), and meets on Tuesdays on the UC Berkeley campus."
- Boston Math Circle
- According to the website, "The Math Circle is designed for students who enjoy math and want the added challenge of exciting topics that are normally outside the school curriculum. Its teachers are experienced, committed, and enthusiastic."
- Lehman College Math Circle
- The Lehman College Math Circle is a club for high schools students who enjoy mathematics. Lehman is located in the Bronx, and is a party of the CUNY system.
- Math Circle Problems
- This website contains problems from actual Russian math circles. Problems are archived by topic, and include problems from Algebra, and Mathematical Induction.
- San Jose Math Circle
- Information about the San Jose area math circle, with links to other math circles throughout the country.
- University of Utah Teachers' Math Circle
- According to the website, The University of Utah Teachers' Math Circle is, "an exciting new program devoted to broadening the mathematical horizons of middle and high school math teachers and specialists". The focus is on open-ended explorations of mathematical techniques and problems, with a view toward potential applications in the classroom.