IB Diploma · Updated 11 May 2026
IB Diploma Schools in Australia 2026: Full List, ATAR Conversion, vs VCE/HSC
The International Baccalaureate (IB) Diploma is the alternative to VCE/HSC/SACE/QCE/WACE for Australian senior-school students — internationally portable, broader in scope, increasingly popular with students considering overseas universities. This guide covers IB schools in Australia, ATAR conversion, when IB is the right fit, and the practical cost + workload differences vs state curricula.
Key takeaways
- ~80 Australian schools offer the IB Diploma. Mostly independent + Catholic independent; a handful of public schools.
- IB → ATAR conversion: IB 45 = ATAR 99.95; IB 40 ≈ ATAR 98; IB 35 ≈ ATAR 92. Mean Australian IB cohort ~36 ≈ ATAR ~93.
- IB Diploma is internationally recognised at 5,000+ universities. Preferred at top UK / US / Asia institutions.
- IB requires 6 subjects + Theory of Knowledge + 4,000-word Extended Essay + Creativity/Activity/Service. Broader than VCE/HSC.
- Most Australian IB schools include the program in normal tuition. ~$500-$1,500 extra in registration + materials over 2 years.
When IB is the right choice
- Considering overseas universities — Oxford, Cambridge, Harvard, Stanford, Imperial, NUS prefer IB. IB is the dominant international university entry pathway.
- Intellectually broad-curious student — IB requires 6 subjects + 2 languages. Suits students who want breadth rather than deep specialisation in 4 subjects.
- Strong research + writing motivation — IB Extended Essay (4,000 words on a self-chosen topic) develops university-level research skills earlier than VCE/HSC.
- Multicultural family or international school history — IB Diploma travels internationally; VCE/HSC doesn\'t convert to overseas curricula well.
- Wants Theory of Knowledge — IB\'s TOK subject explicitly teaches epistemology + critical thinking, not paralleled in state curricula.
When VCE/HSC/state curriculum is better
- Focused on Australian universities — VCE/HSC is the streamlined ATAR pathway; no conversion needed.
- Strongest in 4-5 subjects, weaker in 6 — VCE allows dropping weaker subjects; IB requires 6 across mandatory groups.
- Doesn\'t want compulsory second language — IB requires Language B (modern foreign or classical). VCE/HSC make second language optional.
- Doesn\'t want compulsory mathematics — IB requires Mathematics in senior years. VCE allows dropping maths after Year 10 if not on the ATAR pathway.
- Wants efficient ATAR maximisation — Some students achieve higher ATAR via VCE\'s narrower focus than via IB\'s breadth.
IB Diploma schools in our directory
- Melbourne Grammar School (South Yarra, Melbourne)
- Wesley College (Melbourne (St Kilda Road, Glen Waverley, Elsternwick), Melbourne)
- Carey Baptist Grammar School (Kew, Melbourne)
- Methodist Ladies' College (Kew, Melbourne)
- Lauriston Girls' School (Armadale, Melbourne)
- Trinity Grammar School (Kew, Melbourne)
- Presbyterian Ladies' College (Burwood, Melbourne)
- Caulfield Grammar School (St Kilda East (also Wheelers Hill, Malvern), Melbourne)
- Cranbrook School (Bellevue Hill, Sydney)
- Pymble Ladies' College (Pymble, Sydney)
- Ravenswood School for Girls (Gordon, Sydney)
- Kambala (Rose Bay, Sydney)
- Newington College (Stanmore, Sydney)
- Anglican Church Grammar School (Churchie) (East Brisbane, Brisbane)
- Brisbane Girls Grammar School (Spring Hill, Brisbane)
- St Peters Lutheran College (Indooroopilly, Brisbane)
- Scotch College Perth (Swanbourne, Perth)
- Presbyterian Ladies' College Perth (Peppermint Grove, Perth)
- Pembroke School (Kensington Park, Adelaide)
- Walford Anglican School for Girls (Hyde Park, Adelaide)
- St Peter's College Adelaide (Hackney, Adelaide)
- Scotch College Adelaide (Torrens Park, Adelaide)
- Seymour College (Glen Osmond, Adelaide)
- St Peter's Girls' School (Stonyfell, Adelaide)
- Radford College (Bruce, Canberra)
- Canberra Girls Grammar School (Deakin, Canberra)
- The Friends' School (North Hobart, Hobart)
- Somerset College (Mudgeeraba, Gold Coast)
- Emmanuel College Gold Coast (Carrara, Gold Coast)
- Trinity Lutheran College Ashmore (Ashmore, Gold Coast)
- Hunter Valley Grammar School (Ashtonfield, Newcastle)
- St Philip's Christian College Newcastle (Waratah, Newcastle)
- Kardinia International College (Bell Post Hill, Geelong)
- Good Shepherd Lutheran College (Howard Springs, Darwin)
- Marrara Christian College (Marrara, Darwin)
- Loreto Kirribilli (Kirribilli, Sydney)
- Methodist Ladies' College (Kew, Melbourne)
- Perth College (Mount Lawley, Perth)
- International Grammar School (Ultimo, Sydney)
- Ivanhoe Grammar School (Ivanhoe, Melbourne)
- St Leonard's College (Brighton East, Melbourne)
- Mercedes College Adelaide (Springfield, Adelaide)
- All Saints' College (Bull Creek, Perth)
- Casimir Catholic College (Marrickville, Sydney)
- Marian Catholic College Kenthurst (Kenthurst, Sydney)
Not a complete list of all Australian IB schools — we list only schools with full profiles. The IBO publishes the complete Australian IB school directory at ibo.org.
Common questions
What is the IB Diploma?
International Baccalaureate Diploma Programme. A 2-year senior-school qualification for students aged 16-19, alternative to VCE/HSC/SACE/QCE/WACE. Six subject groups (Language A, Language B, Individuals + Societies, Sciences, Mathematics, Arts) + Theory of Knowledge + Extended Essay (4,000-word independent research) + Creativity, Activity, Service (CAS). Internationally recognised at over 5,000 universities.
How does IB convert to ATAR?
UAC + VTAC publish annual IB-to-ATAR conversion tables. Maximum IB Diploma score 45; converts to ATAR 99.95. IB 40+ ≈ ATAR 98+. IB 35 ≈ ATAR 92. IB 30 ≈ ATAR 80. Mean Australian IB score (2024 cohort): ~36 ≈ ATAR ~93. Universities accept IB scores directly OR converted ATAR equivalent.
Is IB harder than VCE/HSC?
Different, not harder. IB Diploma requires 6 subjects + Theory of Knowledge + Extended Essay + CAS — broader scope than VCE's 5-6 subjects. IB requires Mathematics + Second Language (not optional in VCE). VCE/HSC arguably more efficient ATAR-pathway for students wanting to focus on 4-5 strongest subjects. IB suits intellectually-curious students who want breadth + research skills.
How much does IB cost on top of school fees?
Most Australian IB schools include the IB Diploma cost in normal tuition — no extra annual fee. Some schools charge: IB registration fee (~$200-$500 to IBO at start of Year 11), subject-specific materials (~$200-$500), Extended Essay supervision fees in some schools. Total additional cost: $500-$1,500 over 2 years vs equivalent VCE/HSC student.
Are IB students preferred by universities?
Many top international universities (Oxford, Cambridge, Harvard, Stanford, MIT, Imperial, NUS) explicitly prefer IB candidates. Australian universities accept IB + VCE/HSC equally — no preference for IB. For students considering UK / US / Asia universities, IB is the dominant pathway.
Can my child switch from IB back to VCE/HSC mid-Year 11?
Possible at most schools but disruptive. The first 6 months of Year 11 IB cover content equivalent to VCE/HSC; switching is feasible but means catching up on different curriculum + losing IB-specific work (TOK, Extended Essay topic). Switch by Term 1 Year 11 if at all possible.
Are there public schools offering IB?
A small number. Notable: Box Hill Senior Secondary College (Victoria), Mackay State High School (Queensland), Narrabundah College (ACT), Glenunga International High School (SA). Most IB programs are at independent + Catholic independent private schools.
What's the IB Career-related Programme (CP)?
A different IB qualification — combines academic IB subjects with vocational + career-focused study. Smaller in Australia (~10 schools). Targets students wanting a career-specific pathway rather than academic-university pathway.
Next step
Browse all 108 private schools in our sortable table. Filter by features to find IB-offering schools.