• AIM Math Teachers' Circle (the original Teachers' Circle)
• Bay Area Circle for Teachers
• Brazos Valley Math Teachers' Circle
• Charlotte Teachers' Circle
• Lincoln Area Teacher's Mathematics Circle
• Riverbend Community Math Center Teacher Circle
• Tucson Teachers' Circle
• Utah Teachers' Math Circle
• Washington University (St. Louis) Science Outreach

A star on this map denotes an existing Teachers' Circle, a dot is where a team is coming from to this summer's workshop.