| East Pearl | 18 | Women USTA Tennis Team |
| HCS Board of Directors | 15 | This is the group for HCS Board Members |
| Netsetters | 2 | Women USTA 3.5 team |
| Photo Class Spring 2009 Energetic | 3 | Newbie Photo Class Spring 2009 |
| Photo Class Spring 2009 Master | 3 | Advanced photo class for spring 2009 |
| Tai-ji and Qi-Gong Friends | 4 | The people interested in practice 太极和健身气功 |
| Travelers 3.5 Tennis Team | 33 | Men's tennis team USTA 3.5 certified |
| Travelers 4.0 Tennis Team | 4 | Men's Tennis Team USTA 4.0 certified |
| Yan's Friends | 20 | Yan Cheng's Friends |
| 小珊瑚 | 2 | Best friends in town |
| 市西九班 | 1 | 2010 reunion |
