| 100% | FEST | 4 | Group-activity ending |
| 74% | ESCAPEROOMS | 11 | Group activities involving locked doors |
| 74% | TAG | 3 | "It" group activity |
| 73% | HORA | 4 | Group activity at a Jewish wedding |
| 71% | YOGACLASS | 9 | Group activity where downward dog might occur |
| 71% | SESH | 4 | Period of group activity, slangily |
| 70% | STOP | 4 | End an activity |
| 67% | PYTHON | 6 | End of a comedy group |
| 67% | PETA | 4 | Group ''working to end speciesism'' |
| 65% | OUTREACH | 8 | Group’s activity in the community |
| 65% | AEIOU | 5 | Group that ends "... and sometimes Y" |
| 63% | ORG | 3 | Nonprofit group's URL ending |
| 63% | PTA | 3 | Group whose activities pick up in Sept. |
| 63% | DELTAFORCE | 10 | Group policing the end of a river? |
| 62% | ZOOMCLASS | 9 | Session that might use breakout rooms for small group activities |
| 62% | ORG | 3 | URL ending for a charitable group |
| 62% | ORG | 3 | URL ending for a nonprofit group |
| 61% | ORG | 3 | URL ending for many nonprofit groups |
| 60% | ORG | 3 | URL ending for a community-service group |
| 60% | ORG | 3 | URL ending commonly used by business groups |
| 58% | CIA | 3 | Federal group known for its covert activities: Abbr. |
| 57% | TRIBE | 5 | “The Low End Theory” rap group, to fans |
| 56% | MARKER | 6 | Back __, traveller at the end of a running group |
| 55% | ROOM | 4 | Escape ___ (group activity) |
| 54% | SQUAREDANCE | 11 | Hoedown activity ... or what each group of circled letters is? |
| 51% | NSA | 3 | Defense Department group whose surveillance activities were revealed by Edward Snowden: Abbr. |
| 49% | AXE | 3 | ___ throwing (group activity with sharp objects) |
| 49% | DANCING | 7 | Activity exemplified in the '60s by the ends of 17-, 28-, 48- and 64-Across |
| 47% | BOYZIIMEN | 9 | "End of the Road" vocal group |
| 47% | ORCHESTRA | 9 | Musical group, or a hint to the ends of 20-, 37- and 52-Across |