TISC stands for the Tertiary Institutions Service Centre. It calculates the WA ATAR and runs university admissions for WA. TISC scales your WACE scores, adds your best four into a Tertiary Entrance Aggregate, and ranks that into an ATAR. SCSA runs the WACE itself, so the two bodies do different jobs.
Key takeaways
- TISC is the Tertiary Institutions Service Centre, based in WA.
- It calculates your ATAR from your scaled WACE results.
- It also manages university applications for WA universities.
- SCSA runs the WACE. TISC handles scaling, ranking and admissions.
- You apply for university through TISC, not each university separately.
What TISC is
TISC stands for the Tertiary Institutions Service Centre. It is the body that handles ATAR calculation and university admissions in Western Australia.
The main WA public universities use TISC. That includes UWA, Curtin, Murdoch and Edith Cowan. So TISC is the shared front door for applying to them.
Think of TISC as the bridge between your Year 12 results and university. It takes your scores, turns them into a rank, and passes your application to the universities.
What TISC actually does
TISC has two main jobs. The first is working out your ATAR. The second is managing your university application.
- It scales your WACE ATAR course scores.
- It adds your best four scaled scores into a TEA.
- It ranks your TEA into an ATAR between 0.00 and 99.95.
- It processes applications and sends offers on behalf of universities.
So TISC does not teach you or set your exams. It takes your results and does the ranking and admissions work that follows.
TISC vs SCSA: who does what?
This is the part that confuses students most. WA has two bodies, and they do different things.
SCSA, the School Curriculum and Standards Authority, runs the WACE. It sets the courses, runs the exams, and reports your subject results. TISC then takes those results and works out your ATAR.
A simple way to remember it: SCSA gives you your marks, TISC gives you your rank. See our WA ATAR guide for how the two connect step by step.
How TISC scales your scores
TISC scales each subject so that no subject is unfairly easier or harder for your ATAR. Scaling adjusts for how strong each subject’s group was.
A subject full of high achievers tends to scale up. A subject with a weaker group can scale down. This keeps things fair across very different subjects.
It is about the group, not just you. You can read more in our best scaling subjects guide.
How TISC builds your TEA
Once your scores are scaled, TISC builds your Tertiary Entrance Aggregate. It takes your best four scaled scores and adds them together.
The TEA has a maximum of about 430. A higher TEA means a higher ATAR. TISC then uses a conversion table each year to turn your TEA into your ATAR.
How TISC handles applications
You do not apply to each WA university separately. You apply once, through TISC, and list your course preferences in order.
TISC then matches your ATAR and any prerequisites to your preferences. It sends offers in rounds on behalf of the universities. This is why keeping your preference order sensible matters so much.
How to apply through TISC, step by step
Applying through TISC is straightforward once you know the steps. Here is the basic flow:
- Create a TISC account, usually from the middle of Year 12.
- Search for courses at the WA universities you are interested in.
- List your course preferences in order, from most to least wanted.
- Submit before the deadline, then update your preferences later if you change your mind.
TISC then matches your ATAR and any prerequisites to your preferences after results come out. You do not need a separate application for each university.
How TISC preferences work
Your preference order matters a lot. TISC tries to give you an offer for your highest preference that you qualify for.
So put the course you most want first, even if the cutoff is high. Put safer choices lower down as backups. You will not be penalised for aiming high, because TISC works down your list.
You can usually change your preferences up to a deadline near results day. It is smart to review them once you have a sense of your likely ATAR.
Key dates with TISC
There are a few key moments in the TISC year. Applications open mid-year, well before results. ATARs are released in late December. University offers follow in rounds from January.
Missing a preference deadline can cost you, so note the dates early. Our WA release date guide has the timing, and you should confirm the exact dates on the TISC website.
Common questions
What does TISC stand for?
TISC stands for the Tertiary Institutions Service Centre. It calculates the WA ATAR and manages university admissions for the main WA universities, including UWA, Curtin, Murdoch and Edith Cowan.
What is the difference between TISC and SCSA?
SCSA runs the WACE, setting courses, running exams and reporting your subject results. TISC then scales those results, works out your ATAR, and handles university applications. SCSA gives your marks, TISC gives your rank.
Does TISC calculate my ATAR?
Yes. TISC scales your WACE scores, adds your best four into a TEA, and ranks that into an ATAR between 0.00 and 99.95. It uses a yearly conversion table to do this.
Do I apply to WA universities through TISC?
Yes. You apply once through TISC and list your course preferences in order. TISC then sends offers in rounds on behalf of the universities, so you do not apply to each one separately.
Does TISC set my exams?
No. SCSA sets and runs the WACE exams and reports your results. TISC takes those results and does the scaling, ranking and admissions work that follows.
When does TISC release ATARs?
TISC releases WA ATARs in late December each year, through its online portal. University offers then follow in rounds from January. Confirm the exact date on the TISC website.
Is TISC only for WA students?
TISC handles admissions for WA universities. Interstate students can apply through TISC for WA courses, and WA students can apply interstate through other centres, because the ATAR is a national rank.
How do TISC preferences work?
You list your course preferences in order, and TISC gives you an offer for the highest one you qualify for. Put the course you most want first, with safer choices lower down. You can usually change your order up to a deadline near results day.