| Class | Team run-in time | Teacher class time (45 minutes per class) | Overall class level | Average score difference/ score | Maximum score difference/ score | Minimum score difference/ score |
| Class 1 | 4 months | 20 | middle | 12.9 | 5.5 | 7 |
| Class 2 | 1 months | 40 | low | 10.5 | 4 | 5.5 |
| Class 3 | 10 days | 10 | high | 8.8 | 3 | 4.5 |
| Class 4 | 15 days | 35 | middle | 9.3 | 4 | 5.5 |