Why are high school age girls so ditsy?

The term "ditsy" is often used to describe someone who is perceived to be silly, forgetful, or lacking in intelligence. It is important to note that generalizations about entire groups of people can be inaccurate and harmful, and that girls and women should not be stereotyped based on their gender or age. High school girls are just as diverse and complex as any other group of people, and to label them all as "ditsy" would be an oversimplification and an unfair generalization.