The Henry George School of Social Science, Chicago, Illinois, is an independent not-for-profit entity, affiliated with similar institutions throughout The Americas.
- ALABAMA
- Fairhope Single Tax Corporation 336 Fairhope Ave; Fairhope, AL 36532 251/928-8162
- CALIFORNIA
- Henry George School of San Francisco 189 Ellsworth Street; San Francisco, CA 94110 415/970-9306
- Henry George School of Northern California, Sacramento Extension 8420 Cranford Way; Citrus Heights, CA 95610 916/726-7268
- Henry George School of Los Angeles Box 655; Tujunga, CA 91042 818/352-4141
- DELAWARE
- The Georgist Gild Arden DE 19810 302/475-1745
- MASSACHUSETTS
- Henry George School of New England 114 Ames Street; Sharon, MA 02067 781/784-3086
- NEW YORK
- Henry George School of Social Science 149 East 38th St; New York, NY 10016 212/889-8020
- OREGON
- The Geonomy Society, 5805 SE 41st Av, Portland Oregon 503/568-5889
- PENNSYLVANIA
- Henry George School of Social Science 413 South 10th Street; Philadelphia, PA 19147 215/922-4278
- NICARAGUA
- Henry George International Education Center / Centro Educativo Internacional Henry George Apartado Postal SL-145 Managua, Nicaragua +505-244-3695