Statistics New Zealand expect Christchurch’s population to grow by 50,000 people in the next two decades. It may well be more than that - as noone knows how many workers moving in for the rebuild will stay and call the city home.
But in the meantime the demographics are continually shifting as land is red-zoned and families relocate.
Subdivisions are being fast-tracked to cope with growth projections.
So why is the Ministry of Education closing schools in these areas, and is it too soon to be making these decisions when the city's population is still in such a state of flux?
Watch the video to see Natasha Utting’s investigation.