Knox Grammar School vs Sydney Grammar School
🇦🇺 Sydney · Side-by-side comparison on verifiable public data.
Neither Knox Grammar School nor Sydney Grammar School sits in a market with a public inspectorate, so both are assessed on verifiable accreditation, curriculum authorisation, and published data rather than an official quality rating. Both run the same curriculum (National), so the differences come down to pathway detail, campus culture, and specific language/boarding arrangements rather than the curriculum framework itself. One practical difference: Knox Grammar School offers boarding while the other is day-only — decisive for families who need a residential option. Verify current fees against each school's own figures (see the table below).
Key Facts
| Knox Grammar School | Sydney Grammar School | |
|---|---|---|
| Curriculum | National | National |
| Ages | 4–18 | 4–18 |
| Languages of instruction | English | English |
| Annual fees | AUD 42,640–45,120 (day, 2026) | AUD 52,410/year (College Street, Years 7–13, 2026) |
| Enrollment | 2,900 | 1,800 |
| Boarding | Yes | Day only |
| Accreditations | NESA, AHISA, HMC, CAS | NESA, AHISA, HMC |
Strengths
- ✓Strong, publicly reported HSC academic record (2025 median ATAR 89.95)
- ✓Exceptionally broad co-curricular offering — 30+ sports, 70+ activities, 90+ music programmes
- ✓Full boarding provision for boys from Year 7 across three boarding houses (200+ places)
- ✓Large, well-resourced school across three campuses
- ✓Long-established (1924) with strong CAS/AHISA standing
- ✓Elite, publicly-verified HSC performance (3rd in NSW overall 2025; highest-placed independent school; 72% of cohort ATAR 95+)
- ✓Deep classical/academic curriculum including Latin, Classical Greek, German, French — multiple 'First in Course' state placements in 2025
- ✓Long heritage and prestige (founded 1854; alumni include three Australian Prime Ministers)
- ✓Three-campus K–12 continuity within Sydney (Edgecliff + St Ives prep feeding College Street senior)
- ✓Strong co-curricular breadth: music (scholarships), debating, drama, cadets, AAGPS sport (founding member)
Trade-offs
- !Boys-only at primary and secondary — no co-education above early years
- !Uniting Church / Presbyterian faith heritage may not suit secular or other-faith families (a fit consideration, not a judgement)
- !High fees (≈AUD 42,640–45,120/yr day in 2026, boarding extra)
- !No IB Diploma pathway verifiable — HSC only, less internationally portable for mobile expat families
- !Day fees are aggregator-sourced (official schedule is PDF-only); boarding fee not public in plain text
- !Not registered for international students — excludes visa-dependent expat families entirely (Australian/NZ citizens and PRs only)
- !Boys-only — no option for families with daughters
- !Academically selective entry (Entrance Assessment in English/Maths + interview) — admission not guaranteed
- !No IB and no Cambridge pathway — HSC-only, less portable for globally-mobile families
- !Day-only (no boarding) and high fees (AUD 52,410/yr at College Street, 2026)
Best Fit For
- • Families wanting a single-sex boys' education on Sydney's Upper North Shore
- • Boarding families (domestic regional or expat) needing Year 7+ boarding for boys
- • Students seeking a very broad sport/music/co-curricular programme
- • Families comfortable with a Uniting Church-affiliated school
- • Academically high-achieving boys aiming for top ATAR/university outcomes
- • Sydney-resident families (citizens/PRs) wanting an elite HSC pathway
- • Families valuing a classical-languages, traditional academic ethos
- • Households seeking K–12 continuity within one institution
University Placement
School-reported · not independently verified
School-reported, unverified: 2025 median ATAR 89.95 (UAC-based). A third-party directory cited a 2024 median ATAR of 92.3. University-destination data is not public. No IB results exist to cite.
School-reported (SMH league table), 2025 HSC: ranked 3rd overall for success rate (highest-placed independent school), 2nd for Top Achievers. Of 199 students: 72.4% ATAR 95+, 84.9% 90+; 175 Distinguished Achievers listings, 7 First-in-Course. Unverified against raw NESA/UAC data.
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Frequently Asked Questions
Should I choose Knox Grammar School or Sydney Grammar School?
Knox Grammar School is best for: Families wanting a single-sex boys' education on Sydney's Upper North Shore. Sydney Grammar School is best for: Academically high-achieving boys aiming for top ATAR/university outcomes. The right choice depends on target curriculum, budget, and family priorities — the two are not linearly comparable.
How do fees compare between Knox Grammar School and Sydney Grammar School?
Knox Grammar School: AUD 42,640–45,120 (day, 2026). Sydney Grammar School: AUD 52,410/year (College Street, Years 7–13, 2026). Verify against each school's own published fees; some figures are sourced from third-party aggregators.
What curricula do Knox Grammar School and Sydney Grammar School offer?
Knox Grammar School: National. Sydney Grammar School: National.
Do Knox Grammar School or Sydney Grammar School offer boarding?
Knox Grammar School: offers boarding. Sydney Grammar School: day school only.
This comparison is BrightKey's independent assessment using verifiable public data only. University-placement figures are school-reported and not independently verified. BrightKey takes no payments from schools. Our method →