| Mean | Standard deviation | Minimum value | Maximum value |
General school performance | 2.91 | 0.67 | 1.40 | 4.00 |
Relationships with peers | 2.95 | 0.62 | 1.60 | 4.00 |
Relationships with the parents | 2.96 | 0.68 | 1.00 | 4.00 |
Math skills | 2.43 | 0.85 | 1.00 | 4.00 |
Sports skills | 2.98 | 0.80 | 1.00 | 4.00 |
Physical appearance | 2.89 | 0.86 | 1.40 | 4.00 |
Self-esteem | 3.05 | 0.58 | 1.30 | 4.00 |
Job-readiness | 2.98 | 0.56 | 1.40 | 4.00 |
Skills in language courses | 2.35 | 0.87 | 1.00 | 4.00 |
Emotional relationships with the opposite sex | 2.79 | 0.72 | 1.00 | 4.00 |
Conduct/behaviour | 2.88 | 0.69 | 1.20 | 4.00 |
Close friends | 3.42 | 0.64 | 1.60 | 4.00 |