WYLIE, Texas (CBSDFW.COM) – A Wylie ISD staffer has tested positive for COVID-19, CBS 11’s Robbie Owens has learned.

Approximately a dozen people exposed to the staffer from Burnett Junior High are being asked to quarantine.

It’s not clear if the patient is a teacher.

Wylie ISD’s calendar shows teachers returned to work on Monday.

A district spokesperson said they were prepared for a possibility like this, having produced a video about what happens if there’s a positive test at school.

Parents have the option of having their students attend in-person classes or have online learning.