These show that children's achievement improves if family income increases but may not when mothers do not gain substantially higher income.

Educators praise the law for focusing attention on minority students, and for imposing sanctions on schools where achievement does not improve.

Dr. Colleta said that studies show that academic achievement improves the more involved parents are in their children's education.

Inspectors also commented on how "Overall achievement has improved significantly since the academy opened."

One study found that when students work after school to earn money for college, not for CD's or high tops, achievement improves.

By the same token, several studies have found that when parents are trained to assist their children, academic achievement improves substantially.

The achievement of these reductions over five years would improve water quality for drinking, recreation and fishing.

Did scholastic achievement improve after a decade of spending$2 billion on fifteen schools?

And on this much there is wide agreement: their academic achievement, on average, did not improve.

But a four-year academic debate rages on about whether the achievement of black students improved after they were transferred to the private schools.