Appendix Table 1.
Attrition in the New York City School Choice Scholarships Program
| Math scores | Reading scores | |||||
|---|---|---|---|---|---|---|
| Year 1 | Year 2 | Year 3 | Year 1 | Year 2 | Year 3 | |
| Panel A: Full sample, T and C | ||||||
| Number randomized | 2666 | 2666 | 2666 | 2666 | 2666 | 2666 |
| Number with missing test score | 586 | 912 | 865 | 586 | 912 | 865 |
| Number with valid test score | 1977 | 1626 | 1734 | 1995 | 1697 | 1743 |
| Number with invalid 99 test score | 103 | 128 | 67 | 85 | 57 | 58 |
| Panel B: Control group, no offer of scholarship | ||||||
| Number randomized | 1292 | 1292 | 1292 | 1292 | 1292 | 1292 |
| Number with missing test score | 319 | 504 | 445 | 319 | 504 | 445 |
| Number with valid test score | 904 | 739 | 811 | 929 | 766 | 830 |
| Number with invalid 99 test score | 69 | 49 | 36 | 44 | 22 | 17 |
| Panel C: Treatment group, received offer of scholarship | ||||||
| Number randomized | 1374 | 1374 | 1374 | 1374 | 1374 | 1374 |
| Number with missing test score | 267 | 408 | 420 | 267 | 408 | 420 |
| Number with valid test score | 1073 | 887 | 923 | 1066 | 931 | 913 |
| Number with invalid 99 test score | 34 | 79 | 31 | 41 | 35 | 41 |
Notes: Table reports number of observations with valid scores or invalid scores of the total number randomized for whom data are present in the Mathematica restricted use data. Top panel presents total N in data, along with counts of those missing test scores, with valid test scores, and with invalid (99) test scores. Data from the New York City School Choice Scholarships Program evaluation conducted by Mathematica Policy Research.