A public school has topped WA's academic league tables, released today, with Perth Modern achieving the highest proportion of students to get an A.
In 2011, the first year that Perth Modern became fully academically selective, it ranked fourth.
The School Curriculum and Standards Authority said it was only the second time that a public school had made first place.
Broome Senior High School was ranked at the top of a similar academic measure in 2005.
But that was considered a statistical anomaly because it had so few students.
In the latest results, Methodist Ladies' College ranked second, followed by St Mary's Anglican Girls' School.
The top-ranked boys' college was Hale School, which dropped to fourth from first last year.
Carmel School was fifth.
Another four public schools made the top 20 on the table which measures excellence in academic achievement based on the number of students to get a WA Certificate of Education course score of 75 or above in a stage three course.
A separate table showing achievement in vocational education and training shows that 10 schools managed to get 100 per cent of their vocational students to achieve a certificate II or higher.
Last year 13,000 students sat four or more WACE exams.
More than 21,900 students, or 97 per cent of eligible students, graduated from Year 12.The graduation rate has increased steadily since 2000, when 91.5 per cent of eligible Year 12s graduated.
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