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