Anxiety
Living with Anxiety
http://www.adaa.org/living-with-anxiety/children
Anxiety in Children
https://www.psycom.net/5-ways-calm-anxious-child
https://www.heysigmund.com/anxiety-or-aggression-children/
Anxiety Disorders in Teens
https://kidshealth.org/en/teens/anxiety.html
Anxiety Disorders at School & in the Classroom
https://adaa.org/living-with-anxiety/children/anxiety-disorders-school
https://childmind.org/article/classroom-anxiety-in-children/