Other Math Circles in the Bay Area

• Oakland/East Bay Math Circle (and Circle for Teachers)
  http://oebmc.mathcircles.org/
  
  
• Berkeley Math Circle
  http://mathcircle.berkeley.edu/
  
  
• San Jose Math Circle
  http://www.mathcircles.org
  
  
• Davis Math Circle
  http://explore.math.ucdavis.edu/mathcircle
  
  
• Stanford Math Circle
  http://www.stanfordmathcircle.org/
  
  

Other Math Circles Across the Country

• Boston Math Circle
  http://www.themathcircle.org/
  
  
• Utah Math Circle
  http://www.math.utah.edu/mathcircle/
  
  
• San Diego Math Circle
  http://www.math.ucsd.edu/resources/sd_math_circle/
  
  
• Alabama Math Circle
  http://www.southalabama.edu/mathstat/non-css-mathcircle.shtml
  
  
• New York Math Circle
  http://comet.lehman.cuny.edu/mathcircle
  
  
• Florida International Un. Circle
  http://www.fiu.edu/~draghici/mathcircle_files/mathcircle.html
  
  
• Winnipeg Circle
  http://www.wsd1.org/grantpark/clubs/mathcircle/
  
  
• Chicago Circle
  http://www.latin.pvt.k12.il.us/academics/special_initiatives/math/
  
  

Math Resource Sites

• St. Marks Institute of Mathematics
  http://www.stmarksschool.orgsmtoday/math
  
  
• Art of Problem Solving
  a collection of specially-designed resources for eager mathstudents
  http://www.artofproblemsolving.com/
  
  
• Mikhail Shubin’s MathCircle
  host of an electronic archive of "math circle"-ish problems.
  http://www.mathcircle.org/
  
  
• Advanced Math and Science Academy
  www.amsacs.org
  
  
• The Math Forum
  http://mathforum.org

Other Math Programs

• Math Horizons
  http://www.maa.org/mathhorizons/
  
  
• American Mathematics Competitions
  http://www.unl.edu/amc/
  
  
• Olympiad Archive
  http://www.unl.edu/amc/a-activities/a7-problems/problemarchive.html
• Expanding Your Horizons
  http://www.expandingyourhorizons.org/
  
  
• Minnesota Talented Youth Mathematics Program
  http://www.itcep.umn.edu/umtymp/
  
  
• Interactive Mathematics Miscellany and Puzzles
  http://www.cut-the-knot.org