Shelley Appleton was the Head Care Worker at Stowey House in Series 3 of The Story of Tracy Beaker. She arrived as Jenny's replacement and the kids originally didn't like her, but eventually they became more lenient to her and accepted her.
At the end of Series 3 Shelley Stowey House to take care of her father who had recently been diagnosed with Alzheimer's Disease, but this isn't shown on-screen.
In Series 5 Shelley made a brief return and the Temporary Head Care Worker at Elm Tree House. After Shelley's time was up, she started looking for a new Head Care Worker. Multiple Candidates were up for the job, but in the end Shelley chose Mike who the children all loved.