St Clair vs St Marys.
Suburb-to-suburb comparison across price, growth, lifestyle, schools and risk.
St Marys scores higher on walkability (78/100 vs 100/100 ), useful if you're optimising for a car-light household. On school quality, the average ICSEA across schools serving St Clair (983) sits above St Marys (948).
For buyers
We don't yet have verified suburb-level medians for one or both of these suburbs. Check the individual profiles for the data we do publish, and the methodology page for how we source it.
For investors
Rental or growth data is incomplete for one or both suburbs. Look at the full investor view on each suburb profile for a complete picture.
For families
St Clair edges out on average school ICSEA (983 vs 948).
Common questions
Does St Clair or St Marys have better schools?
On average school ICSEA (the ACARA index that benchmarks educational advantage), St Clair scores 983 vs 948 in St Marys. ICSEA is a school-community indicator, not a quality rating, so always check NAPLAN results and catchment boundaries for the specific address you're considering.
Which is more walkable, St Clair or St Marys?
St Marys scores 100/100 on walkability vs 78/100. Above 70 is considered very walkable (most errands on foot), 50-69 is walkable for some errands, below 50 typically requires a car for daily life.
The numbers behind the take
Price & Market
Rental
Lifestyle & Demographics
Risk & Hazard
Schools
Climate
Green dot = better on that metric (lower price, higher growth, higher walkability, lower risk).
Compare St Clair against another suburb