At what point in children's school careers do gender norms become firmly established?

Question

Quizplus · Accepted Answer

Research suggests that gender norms become firmly established by fifth grade, or around the age of 10-11 years old. This means that children have already learned and internalized societal expectations for their gender, including behaviors, interests, and societal roles. While some reinforcement of these norms may continue throughout middle and high school, they are already firmly established by fifth grade.

At What Point in Children's School Careers Do Gender Norms