The mean achievement gains for males on the overall test battery imply
a percentile gain in test scores of a little less than 10 percentiles.
Based on
the percentile gains in test scores from Boston pre-K, the ratio of the present value of the future increase in adult earnings, to the cost of the program, are estimated to be $ 3.22 for children eligible for a subsidized lunch, versus $ 2.30 for middle - class children.
Not exact matches
If the same approach is applied to the STAR sample to adjust for the fact that some students did not enroll
in the class they were assigned to - and a comparable sample of low - income black students is used - the
gains in test scores after two years of attending a small class (average of 16 students) as opposed to a regular - size class (average of 23 students) is 9.1 national
percentile ranks
in reading and 9.8 ranks
in math.
We estimate that improvement from the 25th to the 75th
percentile of
test -
score change — that is, moving from a loss of 4
percentile points to a
gain of 3.8
percentile points between 1999 and 2000 — produced on average an increase of 3 percentage points
in an incumbent's vote share.
The intervention produced substantial
gains in measured student achievement
in the year following its completion, equivalent to moving the average student from the 50th to the 59th
percentile in achievement
test scores.
In reading, the observed gain declined from 3.1 to 1.6 percentile points, but it still represented 29 percent of the black - white test - score gap in reading (see Figure 2
In reading, the observed
gain declined from 3.1 to 1.6
percentile points, but it still represented 29 percent of the black - white
test -
score gap
in reading (see Figure 2
in reading (see Figure 2).
Earlier program evaluation reports for Louisiana showed that voucher students made significantly lower
gains on math and reading
test scores in the first year (27
percentile points and 17
percentile points lower, respectively) than students who applied for vouchers but were not awarded them through the lottery.
From Chetty et al.'s research, we have estimates of the relationship between cognitive outcomes
in kindergarten, measured as
percentile test score gains, and dollar
gains in adult earnings.
While there were no significant overall
gains among students of other ethnic groups, black students
in their second year of private - school attendance improved their
test scores by 6.3
percentile points — a striking advance at a time when schools around the country are trying to close a persistent gap between
scores of white and black students.