- (San Francisco) afterschool math team for 7-11yo kids: https://www.meetup.com/chess-games-inner-fire/events/2956372...
- (San Francisco) afterschool math circles at a couple of SFUSD schools: https://www.sfmathcircle.org/jose-ortega https://www.sfmathcircle.org/starr-king
- (Remote) 501(c)(3) nonprofit running weekly online competition math sessions for elementary and middle school students: https://mrmathonline.com/
If you're looking for something in between classes and circles, then perhaps:
- Engaging Math Circles (https://emc.school)
- Russian School of Math (RSM)
- (San Francisco) afterschool math team for 7-11yo kids: https://www.meetup.com/chess-games-inner-fire/events/2956372...
- (San Francisco) afterschool math circles at a couple of SFUSD schools: https://www.sfmathcircle.org/jose-ortega https://www.sfmathcircle.org/starr-king
- (Remote) 501(c)(3) nonprofit running weekly online competition math sessions for elementary and middle school students: https://mrmathonline.com/
If you're looking for something in between classes and circles, then perhaps:
- Engaging Math Circles (https://emc.school)
- Russian School of Math (RSM)