A senior secondary school teacher became "emotionally dependent" on a Year 12 pupil, sending her "intense" text messages and crossing boundaries with her parents.
The woman, who was head of department at the school, admitted to having favourite pupils and failing to maintain appropriate boundaries with students.
The pupil, known as Student A in a decision published by the Education Council today, was granted name suppression. The identity of the teacher and school were also suppressed to protect the young woman, who has now finished school and moved to a different area.
The decision said the teacher had been warned about the nature of her relationship with a student early in her employment with the school, which started in 2002. By 2008 she was head of department, until she resigned in 2014.
During 2013 and 2014 she became emotionally dependent on Student A, the decision said, "in a way that was not appropriate and was damaging to her".