Students in 4th, 5th, and 6th grade can all play U11 sports, assuming they meet the age requirement. There are no cuts and all are welcome. U11 Basketball and Cross Country begin on Monday, August 25 and Thursday, August 28. Times are from 2:10 – 3:10. Girls basketball will be in the ES Aircon Gym and the boys will be in the New Sports Complex. Cross country will meet on the track. If you have any questions you can email the U11/U13/U15 Athletics Director, Kerry Dyke, at kerryd@isb.ac.th
| Sport | Team | Coach | Location |
| Cross Country | U11 Boys | Brinya Tananone | Track |
| U11 Girls | Caroline Reiss | Track | |
| Basketball | U11 Boys A | Jim Armitage | New sports complex (near gymnastics) |
| U11 Boys B | Steve Perkins | New sports complex (near gymnastics) | |
| U11 Girls A | Boom Fitzgerald | ES Aircon gym |
