A judge ruled that an updated national assessment must be produced by May 31, 2008.
The performance of students on a national assessment was almost double the national average.
The national assessment also shows that only 2 percent of seniors are advanced in math.
The latest national assessments show that while basic skills have improved, the ability to apply them has not.
All four uniformed groups achieved Gold in the annual national assessment.
The next national assessment that could produce results for comparison will not be given until February 2005.
Both national and international assessments have attested to their academic quality.
The report is the first detailed national assessment of charter schools.
The study, the national assessment of educational progress, a continuing testing project required by Congress.
Each episode has moved the national assessment closer to the tipping point.