Takapuna Grammar School on Auckland's North Shore was close behind with a median price for houses in zone for the school at $1.52m, an increase of 61.29 per cent.
The high profile Auckland Grammar and Mt Albert Grammar schools didn't command as high a premium price as Epsom Girls' Grammar School.
Houses in zone for Auckland Grammar were 41.2 per cent higher than the Auckland median, with a median price of $1.33m.
Houses in Mt Albert Grammar School zone were 22.6 per cent higher, with a median of $1.15m.
Outside Auckland, the median prices for desirable school zones were highest in Christchurch and Hamilton.
Houses in zone for Rototuna Junior High School in Hamilton had a median price of $738,746, 43.75 per cent higher than the regional median of $513,915.
In Christchurch, houses in zone for Christchurch Boys' High School were priced 35.85 per cent higher than the regional median. The median price for houses in zone was $601,869, up from the median Christchurch price of $443,035.