Fern's school teacher is only seen in the 2006 live-action film Charlotte's Web. She is portrayed by Robyn Arthur.

When Fern sneaks Wilbur in her school desk causing commotion the teacher asks Fern what's in her desk, she lies to the teacher about stowing him in her desk and the teacher forces Fern to open her desk. The children laugh, but the teacher sends Fern to the principal's office as a punishment where Mrs Arable is called to pick them up from school.