| Variable | Collinearity Statistics | |
| Tolerance | VIF | |
| knowledge and skills of teachers (x1) | 0.109 | 9.143 |
| leadership of administrators (x2) | 0.386 | 2.589 |
| school management (x3) | 0.338 | 2.960 |
| information systems management (x4) | 0.389 | 2.572 |
| parent participation (x5) | 0.279 | 3.586 |
| readiness of facilities (x6) | 0.308 | 3.244 |
| work atmosphere (x7) | 0.324 | 3.088 |
| location of the school (x8) | 0.326 | 3.072 |