Qld raises concerns about NAPLAN 'washing'

Queensland Education Minister Grace Grace has raised concerns about the scaling of NAPLAN results. (Jono Searle/AAP PHOTOS) (AAP)

Queensland is concerned about the way NAPLAN results from the students are being "washed" and will raise it at the next education ministers' meeting.

The state's Year 9 students had the worst test results of all other jurisdictions, except for Tasmania and Northern Territory.