Mean ± SD

Test

Sig

Gender

Boys

65.68 ± 5.034

t = −1.210

p = 0.23

Girls

66.68 ± 4.891

Age

≤17 years

66.78 ± 4.891

t = 2.21

p = 0.02

>17 years

65.49 ± 5.010

Level of Education

1^st year of HS

65.83 ± 4.674

F = 2.585

p = 0.08

2^nd year of HS

67.22 ± 4.615

3^th year of HS

65.07 ± 5.487

Stream

Scientist

66.75 ± 4.735

t = −1.599

p = 0.11

Literary

65,43 ± 5,191