QCE assessment, explained
IA1, IA2, IA3 and the external exam are simply added together. Nothing gets remarked.
Queensland's General subjects run on three internal assessments plus one QCAA-set external assessment, and the split between them is not the same for every subject. Here is how the marks actually combine into the result on your certificate.
By StudyDesign AI editorial team. Drafted with AI assistance, then checked against QCAA's published assessment material, linked below. No teacher review is claimed.
The four instruments behind a General subject result
Only Units 3 and 4 count toward your QCE result and the ATAR. Units 1 and 2, done earlier in senior schooling, do not appear in either calculation. Once you reach Units 3 and 4 in a General subject, your result comes from four separate assessment instruments: three set and marked by your own school, called IA1, IA2 and IA3, and one set by QCAA and marked externally, called the EA.
Your school marks IA1, IA2 and IA3 against QCAA's syllabus standards, and those marks are what get sent through to QCAA. There is no cohort-wide moderation step that adjusts your internal mark against how you did on the EA the way there is in some other states. Internal and external marks are simply added together, so the mark your teacher gives you is the mark that counts, not a raw number waiting to be rescaled.
Why the internal-external split isn't fixed across subjects
The four instruments add up to a result out of 100, and that total is then converted to a letter grade using QCAA's cut-offs. What changes from subject to subject is how much of that 100 comes from internal work versus the external exam. Two groupings are confirmed and worth knowing if you're weighing where to put your effort:
In Humanities, Arts and Social Sciences subjects, internal assessment is worth 75 percent of the result and the external exam is worth 25 percent. In Mathematics and Science subjects, it's an even 50-50 split between internal and external.
English sits outside both of those groups and sets its own weighting in its own syllabus. If you want the exact split for a subject that isn't Maths, Science, or clearly Humanities/Arts/Social Sciences, check qcaa.qld.edu.au for that subject rather than assuming it follows one of the two patterns above.
Applied subjects work differently again: there's no external exam at all. They're reported on a satisfactory or unsatisfactory basis rather than as a mark out of 100.
If you think an IA mark is wrong
Because there's no later moderation step reweighing your IA against your EA result, the internal mark you get is close to final the moment your school confirms it. That makes it worth raising a concern early, while your teacher can still look at it, rather than after results are released.
Start with the teacher who marked the task and point to the specific syllabus standard you think was misjudged, not the overall grade. Every school has to make an internal review process available for this. The exact steps, deadlines and whether it can go further than the school are set by QCAA's current assessment policy, so check qcaa.qld.edu.au for what actually applies this year rather than relying on what a friend at another school describes.
What the internal-external split does not do
It does not let a strong EA rescue a weak IA
Because the four instruments are simply added, not weighed against each other after the fact, a poor IA1 or IA2 result stays exactly as poor no matter how well you go on the external exam later. There's no late recovery built into the maths.
It does not treat every subject the same
A Mathematics student and a History student carrying the same IA average are relying on that mark for a different share of their final result, 50 percent against 75 percent. Knowing your subject's actual split matters more than treating "internal assessment" as one uniform thing.
It does not apply to Applied subjects at all
None of this IA1/IA2/IA3/EA structure exists for Applied subjects. They're assessed entirely at school on a satisfactory or unsatisfactory basis, with no external exam in the mix.
Where the ATAR fits, and who actually calculates it
QCAA sets the syllabuses, runs the external assessments and issues your QCE and your subject results. It does not calculate your ATAR. That's QTAC, the Queensland Tertiary Admissions Centre. To be eligible at all you need five General subjects, or four General subjects plus one Applied subject, or four General subjects plus a VET qualification at Certificate III or higher. Your ATAR is then built from your best five scaled results, with scaling adjusting for how the whole cohort in that subject performed, not for how difficult the subject feels.
You also need to complete an English subject at a C grade or better to be eligible, though it only actually counts toward your ATAR if it lands among your best five scaled results. This article won't guess at a specific scaling number or a cut-off ATAR for a subject. QTAC publishes the real method at qtac.edu.au .
What you can actually control
With no late moderation step to smooth things out, every one of IA1, IA2, IA3 and the EA is standalone. Each one is worth exactly what it's worth, permanently, the day it's marked.
- Check your subject's actual syllabus standards for each IA, not a generic rubric. QCAA's standards are specific to the instrument.
- Know your subject's internal-external split before you decide how much time to put into exam revision versus the next assessment task.
- Treat IA1 as seriously as IA3. A weak start can't be offset later the way it might be under a moderated system.
- If your school offers feedback before an IA is finalised, use it against the standard you're least confident meeting.
Get the IA right the first time, since there's no second chance to average it up
StudyDesign AI marks a practice response against the same kind of standards your IA is graded on, and shows you which one is unaddressed. It will not write the assessed task for you.
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