That's really helpful teen, it's great your dd has made such great progress through the steps.
Steps for my ds (who has school related anxiety) included
Taking the pressure of re school attendance, a reduced timetable and very phased return with the option of a safe area in school when is is struggling
A 6 week group anxiety programme run by CAMHS, he found it hard to engage but as parents it helped us with techniques and management of anxious situations
Gradual exposure to situations that made him feel anxious with our support, building his confidence and allowing him to return to activities he had stopped going to
Weekly visits for the school nurse who has been amazing, providing practical techniques for him to deal with the anxious feelings either a step by step plan to get him back into classroom.
Regular therapy with a private therapist who is experienced in working with children with anxiety, building his self esteem and confidence.
We're more matter of fact now about his anxiety, we try not to focus on it too much at home, it felt like for such a long time the focus of our home life, now we support but don't overreact to anxious times.