Education Working Paper  No. 10
SCDP-06-01
January 2006


An Evaluation of the Effect of D.C.'s Voucher Program on Public School Achievement and Racial Integration After One Year

Table 1: Effect of Voucher Competition on Public School Performance
  Distance to Nearest Voucher School with Same Grade Level* Number of Voucher Schools with Same Grade Level Within One-Mile Radius Distance to Nearest Voucher School with Same Grade Level* Number of Voucher Schools with Same Grade Level Within One-Mile Radius
Grade 3
Unstandardized Coefficient -0.456 -0.344 -0.772 -0.45
Standard Error 4.59 1.05 4.232 0.965
N 104 104 103 103
Grade 5
Unstandardized Coefficient -0.655 1.186 1.95 0.172
Standard Error 3.285 0.746 2.865 0.668
N 103 103 103 103
Grade 8
Unstandardized Coefficient -3.982 0.905 -5.587 1.545
Standard Error 2.45 0.655 4.717 1.244
N 26 26 26 26
Grade 10
Unstandardized Coefficient -0.177 -1.591 0.019 3.579
Standard Error 2.611 2.704 2.592 2.682
N 19 19 19 19
(controlling for percentage of students who are white, percentage of students enrolled in the free or reduced-price lunch program, and baseline 2004 test score in same grade and subject)
*In the distance analyses, a negative coefficient indicates that public schools nearer to the closest voucher school make the largest gains. Thus, a negative coefficient is most consistent with the hypothesis that voucher competition has improved public school performance in Washington, D.C.

[table 1] [table 2] [figure 1]