Final answer:
At the end of 'Harriet the Spy', Harriet becomes the editor of her school newspaper, which helps her to repair relationships with her classmates and teachers.
Step-by-step explanation:
Toward the end of Harriet the Spy, Harriet's new role at her school is that of the editor of the school newspaper.
After a series of events where her private spy notebook is found and read by her classmates, causing them to become upset with Harriet, she eventually reconciles with them.
As part of her making amends, Harriet is appointed by her teacher to serve as the editor, a job that allows her to put her keen observation skills to good use in a new way.
This position helps mend her relationships with her classmates and teachers.