Ms van Asperen is off to the University of Tasmania for an accelerated Bachelor of Business degree, which she aims to complete in two years instead of three before looking at accounting as a career.

She is also the recipient of the $30,000 University of Tasmania Chancellor's Merit Scholarship.

She said she intends to study in Launceston instead of elsewhere because of her family, "and I've got some really close friends here as well," she said.

For Ms van Asperen, the secret to a phenomenal ATAR score was finding the right balance between work and play, helped by her natural love of science and math.

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Although her studies required "sacrifice", she still found time to spend time with her friends, and on her interests like fishing, riding motorbikes, and four-wheel driving.

"It's a lot of hard work and dedication, but you can't focus too much on your studies - you've got to have a social life as well, because otherwise you'll burn yourself out way to fast," she said.

"I definitely wasn't expecting [my ATAR] to be that high. When I was reading it, I was pretty shocked."

Student Tanner Clarkson also achieved an ATAR in the top 100 for Tasmania, with 13 Newstead College students scoring more than 90.

Newstead College English and languages curriculum leader Tanya Wilson said Ms van Asperen had "worked hard from the moment she stepped through the door".

She said the students' ATAR achievements in 2019 were a positive reflection on the school.

"I think it reaffirms that Newstead College is an academic institution, and we strive for excellence with all our students," she said.

"We're a smaller college, but we have a strong academic focus and we have very bright and intelligent students."

Ms van Asperen was a speaker at the Newstead College Awards Evening on Wednesday night, where she encouraged grade 11 students to dedicate time and effort to their education, not give up, and to look at their work as a positive learning tool.