Before reaching Years 11 and 12, many Australian students are already considering or even making decisions about their future. For generations, the Higher School Certificate (HSC) has been the clear pathway for NSW students wanting to pursue university education.  Now, the International Baccalaureate (IB) is emerging as a prestigious contender. This is a globally recognised qualification that’s gaining ground in some Australian private schools around NSW.

If you or your child attends a private school that offers the IB diploma, you’ve probably started seriously considering it as a university pathway since around Year 9 or 10, as you’ll want to make a decision before beginning year 11. This is because the IB’s six subjects are taught over a two-year period, as opposed to the HSC, where five or six subjects are taught over a 12-month period starting from Term 4 of Year 11.

Given that every student has different learning styles, capabilities, and dreams for the future, both the IB and HSC can offer promising pathways to success after school. However, understanding the distinctions between them will help high school students make the choice that best aligns with their individual goals and strengths.

Overview of the HSC

Course flexibility 

A notable feature of the HSC is that it can be advantageous for students with specific interests, allowing them to focus deeply on subjects they are passionate about, with English being the only compulsory subject (Maths will be compulsory by 2026). Students can therefore shape their academic journey around their strengths and interests, with the flexibility to drop less favoured subjects. 

Exams and scaling

Aussie students in NSW are familiar with the HSC experience of the ATAR (Australian Tertiary Admissions Rank) as an accumulation of 50% of internal assessment marks and 50% of final exam marks. Despite the stress these exams may cause, they offer the opportunity to excel in chosen fields and subjects throughout the year. 

In addition, the unique scaling system of the HSC means students’ performances are contextualised within broader school and statewide results. This encourages strategic subject selection and promotes a competitive yet rewarding educational environment. This scaling system is also typically regarded as more predictable and clear cut than the IB’s grade boundaries. 

Overview of the International Baccalaureate


On the other hand, the IB intends to create a more ‘holistic’ learner. It demands a well-rounded academic skill set, with compulsory studies in English, Maths, a Science, a Humanity, and a secondary language, alongside the Theory of Knowledge and creativity, activity, and service (also known as C.A.S) components. It prioritises academic integrity and preparing students for the real world.

“Being a diploma level course, when students get to university and do a bachelor’s degree, a lot of the foundation skills are covered. They’ve already started doing APA referencing, for example. That’s an expectation. Whilst a lot of HSC students actually find that really hard because they’re seeing it for the first time,”
Christine, Co-owner of C3, explains.

Worldwide recognition

As this curriculum is universally recognised, the IB is a logical option for students with their dreams set on studying overseas. It embraces a more global educational perspective, with assessments marked on an international scale, ensuring students are evaluated against global standards. 

The IB’s approach to assessments, including a smaller weighting placed on Internal Assessments, creating higher stakes for final exams. Students are expected to keep a learner portfolio documenting their learning journey, which is used to ensure the integrity of student learning and progress. 

Christine notes that sometimes Australian students are a bit disadvantaged in regards to the language component of the IB. “One of the subjects for language is called a beginners course, yet you’re expected to be conversationally fluent in two years. That’s hard, especially as we have less exposure because we’re so isolated here [in Australia],” she says.

Picking a path

Broadly, both the HSC in NSW and the IB are designed to meet the needs of all students in the state and prepare them for future studies. Many students will be wholly satisfied with the HSC’s more interest-tailored structure, whereas others – especially those considering international study – will find greater value in the IB’s worldly approach. Both HSC and IB courses require students to have a high level of organisation and forward planning, to ensure they are able to meet assessment requirements and learning milestones. 

How C3 can support you

Christine explains that C3 tutors have been helping students conquer both the HSC and the IB for a long time. Beyond the suite of experienced tutors and teachers, C3 Education Group also has the necessary resources to support students.

“It’s the resources that we have which really complement a tutor’s teaching style and a tutor’s exposure to the content. We’re consulting teachers quite often too so we are supporting the students holistically, so it’s great to have that collaborative effort that the kids find really useful,” Christine says.

When it comes down to it, there is no right or wrong answer – only what suits each student’s aptitude and goals. Schools will offer comprehensive information nights in Year 10 around subject selection time.  “Make sure you go to these information nights and ask as many questions as possible to ensure your child chooses the pathway that they will enjoy and excel in the most,” she encourages. If possible, discussing both experiences with past participants can be a great way to help your child understand the pros and cons of each, enabling them to make the right decision when the time comes.