translate English to French: They were more likely to be experiencing strains in their relationship with their parents and at school, and by Grade 10 they were achieving at a lower than average level at school.
En outre, une plus forte proportion d’entre eux ont des relations difficiles avec leurs parents ainsi e qu’à l’école et, pour ce qui est des élèves de 10 année, ils ont tendance à obtenir des notes inférieures à la moyenne.