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This appendix describes these data sets and the procedures used to construct the analysis sample.  \nC.1. Sources  \nExam School Application File  \nThe exam school application file contains a record for each student consisting of a registration number, application year, grade, date ofbirth, preferences over three exam schools, and scores on the ISEE verbal, quantitative, reading, and math sections. Each record also includes the rank of each student by the exam schools on their preference list and the school where the student receivesan offer (if any) . This data set covers students in grades 7, 9, and 10 and application years 1999–2008. Since there are a small number of grade 10 applicants, we kept students applying for grades 7 and 9 only.  \nTable C.I indicates the steps involved in processing the exam application file. We excluded duplicate observations, applicants from private schools, and those who did not rank or were not ranked by any exam school. We also dropped students who obtained an offer at an exam school that is not on their preference list.  \nFor each applicant, the exam school application file indicates whether the student receives an offer at a school to which they’ve applied. For a given application year, grade, and school, we compute the lowest-ranked student to obtain an offer from that school. Each student is then coded as obtaining an offer at an exam school if her score is above this minimum cutoff for any school that is on her preference list.  \n© 2014 The Econometric Society DOI: 10.3982/ECTA10266  \nTABLE C.I  \nPROCESSING OF BOSTON EXAM SCHOOL APPLICATION DATAa  \n\n| Application Year | Total Number\u003Cbr>of Records\u003Cbr>(1) | Excluding\u003Cbr>Duplicate\u003Cbr>Observations\u003Cbr>(2) | Excluding\u003Cbr>Applicants\u003Cbr>From Private\u003Cbr>Schools\u003Cbr>(3) | Excluding\u003Cbr>Students Who\u003Cbr>Did Not Rank\u003Cbr>an Exam School\u003Cbr>(4) |  | Excluding\u003Cbr>Students Who\u003Cbr>Are Not Ranked\u003Cbr>by an Exam School\u003Cbr>(5) | Excluding\u003Cbr>Students Who\u003Cbr>Obtain an\u003Cbr>Offer at a\u003Cbr>School They\u003Cbr>Do Not Rank\u003Cbr>(6) |  | Excluding\u003Cbr>Students Not\u003Cbr>Matched to\u003Cbr>Boston Public\u003Cbr>Schools at Baseline\u003Cbr>(7) | Excluding\u003Cbr>Students\u003Cbr>Previously\u003Cbr>Enrolled in\u003Cbr>Exam School\u003Cbr>(8) | Excluding\u003Cbr>Students With\u003Cbr>No Observed\u003Cbr>Outcome\u003Cbr>MCAS\u003Cbr>Test Scores\u003Cbr>(9) |\n| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |\n|  |  |  |  | Panel A. 7th Grade Applicants |  |  |  |  |  |  |  |\n| 1999 | 2,353 | 2,353 | 1,353 | 1,307 | 1,307 |  |  | 1,307 | 1,180 | 1,180 | 1,000 |\n| 2000 | 2,283 | 2,283 | 1,252 | 1,165 | 1,165 |  |  | 1,165 | 1,125 | 1,125 | 1,032 |\n| 2001 | 2,317 | 2,317 | 1,299 | 1,196 | 1,196 |  |  | 1,196 | 1,193 | 1,193 | 1,100 |\n| 2002 | 2,365 | 2,365 | 1,304 | 1,237 | 1,236 |  |  | 1,236 | 1,235 | 1,235 | 1,118 |\n| 2003 | 2,494 | 2,494 | 1,386 | 1,251 | 1,251 |  |  | 1,251 | 1,240 | 1,240 | 1,127 |\n| 2004 | 2,217 | 2,217 | 1,206 | 1,174 | 1,174 |  |  | 1,174 | 1,172 | 1,172 | 1,083 |\n| 2005 | 2,062 | 2,062 | 1,116 | 1,105 | 1,105 |  |  | 1,099 | 1,095 | 1,095 | 1,001 |\n| 2006 | 2,079 | 2,079 | 1,184 | 1,166 | 1,166 |  |  | 1,161 | 1,158 | 1,158 | 1,052 |\n| 2007 | 1,992 | 1,992 | 1,086 | 1,081 | 1,080 |  |  | 1,073 | 1,068 | 1,068 | 974 |\n| 2008 | 1,874 | 1,874 | 1,050 | 1,049 | 1,040 | ","cbCainq07rVIhfYT","https://ap.wps.com/l/cbCainq07rVIhfYT","pdf",82242,16,"English","# Appendix C: Boston Data\n## C.1 Sources\n## Exam School Application File\n## Enrollment File\n## MCAS Test File","[{\"question\":\"What is the purpose of the supplementary material in this document?\",\"answer\":\"It documents the processing steps that convert the original data files into the analysis files used in the main paper.\"},{\"question\":\"Which data sources are used for the Boston datasets in Appendix C?\",\"answer\":\"The appendix uses exam school application records, BPS enrollment snapshots, MCAS test scores, College Board test records (PSAT, SAT, AP), and National Student Clearinghouse data.\"},{\"question\":\"How are exam school offers coded from the application file?\",\"answer\":\"For each application year, grade, and school, the lowest-ranked offered student defines a cutoff; applicants receive an offer at an exam school when their score exceeds the cutoff for any school on their preference list.\"}]","The Elite Illusion: Achievement Effects at Boston and New York Exam Schools - Supplementary Material | PDF"]