różnica w osiągnięciach uczniów

And now there's an achievement gap in America that's beginning to close.

But in many areas, the board found, wide achievement gaps remain.

The study did, however, find that the program was helping to close the achievement gap.

No wonder we have failed to close the achievement gap.

I'm here to try to understand and close the achievement gap.

The achievement gap is deeply alive in the black middle class.

This was a big number, and it had a powerful effect on the debate over the achievement gap.

As a result the "achievement gap" between black and white 9-year-old students narrowed to 26 points over those five years from 35.

But there is little evidence that the achievement gap has been tightened, he said.

This website will support your efforts to close the achievement gap for good.