As far back as 2009 St John's College recognised they had a talented cohort and the class of 2014 have exceeded even those expectations with one of the most successful results in the school's history.
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Principal Kerry Morris was glowing in her praise of a group which secured three ATARs of 99 or higher, another two over 98 and 21 who finished with 90 or higher.
Ms Morris said they knew by the time the group was in year 7 that they would be capable of great results and she was delighted to see them get the marks and results they deserved.
"We have put programs in place to ensure this class reached their potential. The previous best results St John's had was a total of 73 band 6s in 2001 and I thought this group would get in the 70s or 80s but to finish with 91 band 6s is just unbelievable and to see the ATARS that our students have got is wonderful," she said.
"Sydney schools would be happy with these results and we are so happy and proud for the students.
According to Board of Studies Teaching and Educational Standards data, 35 students shared in the band 6s at St John's. It was a significant improvement over last year's total of 39 band 6s and saw them finish 2014 as the top ranked school in Dubbo.
They were ranked 121st overall, a massive jump from 317th place last year and 234th in 2012.
Dubbo College Senior Campus slid back to 562nd overall this year, after strong results last year raised them up to 441st.
Dubbo School of Distance Education was ranked 583 and Dubbo Christian School 614th. Results for Macquarie Anglican Grammar School were unavailable.
In total more than 76,000 students sat the HSC in 2014 with more than 55,000 of those eligible for an ATAR.
A result of 90 or higher put students in the top 16.5 per cent, while an ATAR of 80 or higher was in the top 32.8 per cent.
This year's median ATAR was 68.95, slightly lower than last year.
St John's year 12 coordinator Diane Quade said all of the students should be delighted with their results.
"It's very emotional, I've known these students for a really long time and they are such a good group. They are so cohesive, they are competitive and push each other but they also help each other," she said.
As a careers teacher, Ms Quade said anyone who may not have quite got the ATAR they were hoping for shouldn't lose hope.
A number of options were available, including regional bonuses but many more will bypass university for rewarding careers.
"Uni isn't for everyone, there is one student looking at the police force, one student already into the Air Force and one who is looking at the Navy," she said.
Macquarie Anglican Grammar Dubbo Christian school were unable to comment.