The law required schools to break out their standardized test scores based on categories like race and disability -- meaning that if an entire population of students is performing poorly, it's harder for the school to camouflage that fact.
Statistical comparison of mean exam scores obtained between the two groups of students was performed by t-test.
Archivists say these unidentified students were performing in "To Dance Is To Live," which began in 1970 as an Earth Day celebration held on Poe Field.
"Students are performing particularly well in English and modern languages.
Fewer special education students were performing at the lowest level, but again the gain was modest.
More than half of the students were performing below grade level.
If students were performing poorly in their school work, he said, teachers were to blame.
But so should they be given credit for the fact that D.C. students are performing better than three years ago.
Questions were added to assess whether students were performing above grade level.
And because we acted, students are performing better in reading and math, and minority students are closing the achievement gap.
