| Schools | Experimental Group | Control Group |
| ||
| Classes | No. | Class | No. | Total | |
| Edéa Urban Group II | PC 4A | 69 | PC 4A | 70 | 139 |
| Basseké Mbanda Group II | PC 4B | 83 | PC 4B | 67 | 150 |
| Total |
| 152 |
| 137 | 289 |