Anxiety about Omicron as schools prepare to welcome back students for the start of Term One.

Most students are returning this week under the Red Traffic Light setting.

Teachers and students in years four and up will need to wear masks indoors, and teachers must be vaccinated.

President of primary teachers' union NZEI Liam Rutherford told Roman Travers while school closures will be rare, it's unclear what school will look like when more people are identified as close contacts.

“Schools are bracing themselves for how you keep your school open when you’ve got a large chunk of your staff or a large chunk of your students all close contacts or with Covid.”

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