Where the additional money would come from was not made clear.
But additional federal money may not be coming any time soon.
The additional money will be available for only six months.
More than half the additional money, $246 million, will go to the public schools.
It came up with enough additional money to cover everything.
States would be given three years and additional money to begin the tests.
"We've moved to give them additional money, but their position is much too high."
He said the school was working out how to raise the additional money.
The additional money is being used for staff, equipment and public information.
At the time he said it would be better simply to give people additional money through tax credit system.