VICTORIA'S 310,000 students at non-government schools would lose up to $45 million in funding under two Greens policies, according to independent schools.
Independent Schools Victoria says up to 67 Victorian schools would lose all their government cash under the Greens' proposal to crack down on "wealthier" schools.
The group has revealed what it says would be the cost of Greens policies to re-direct subsidies away from some schools and to force independent schools back to 2003-04 funding levels.
The federal Government is due to receive a report on school funding from review panel chairman David Gonski later this year - after the Greens take the balance of power in the Senate.
School Education Minister Peter Garrett has said no school would lose "a dollar" per student, but future funding arrangements are uncertain.
Independent schools are concerned they will lose funding and parents will be forced to foot the bill.
Independent Schools Victoria analysed figures from the Government's My School website to model Green policies, using the example of "wealthy" schools provided by NSW Greens as a benchmark.
It ran three models of the policies' impact, depending on different definitions of school wealth.
It found that, nationally, schools would lose up to $1.61 billion.
In Victoria, the loss would be $377455.9 million. About a third of that loss would stem from the removal of public subsidies, affecting 54-67 Victorian schools.
Independent Schools Victoria chief executive Michelle Green said cuts would hurt families and close schools.
"It is likely that members of Parliament will be asked by parents how their children's non-government schools will survive," Ms Green said.
Greens education spokeswoman Sarah Hanson-Young said there was a clear inequity in funding, and if the Government wasn't going to take money from schools then it had to find another way to boost the public system by $12 billion.
Senator Hanson-Young said plans for the new funding formula must be revealed before the next election.
johnstonm@heraldsun.com.au