Five years ago, Craigie Heights Primary School's literacy and numeracy test results were illustrated by a sea of red squares on the My School website.
By last year, those squares had turned green or white, showing that each year group had achieved results above or close to those of students in similar schools.
In 2008, the Year 7 students scored 519 in numeracy, compared with the national average of 545.
The Year 7 numeracy score last year was 587, compared with the average of 538.
Principal Lynne Bates said becoming an independent public school this year had given it flexibility to spend its budget where it was most needed.
This included hiring a speech therapist and occupational therapist to identify and help children with learning difficulties in the early years.
Ms Bates, who started at the school this year, said credit for the improvements should go to the previous administration.
She said teachers used evidence-based teaching methods backed by research.
And teachers analysed test data regularly to track students' progress from year to year.
"The value-adding we're doing at the school is quite impressive," Ms Bates said. "If the expectations are high, then the children will rise to meet them."
The Australian Curriculum, Assessment and Reporting Authority, which is in charge of NAPLAN tests and the My School website, said other schools that had showed a vast improvement in recent years included East Beechboro, Boyare and West Beechboro primary schools and York District High School.'If the expectations are high, then the children will rise to meet them.'"Principal *Lynne Bates *
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