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Table 5 Predictor means for PISA student performance

From: Publicizing the results of standardized external tests: does it have an effect on school outcomes?

  Reading Mathematics Reading Mathematics
  Madrid Madrid Average of 15 regions
Predictor balance Real Synthetic Real Synthetic
 Student/teacher ratio 16.18 15.00 16.18 14.85 14.03 14.03
 School size 933.74 852.74 933.74 907.70 720.08 720.08
 School average of ESCS index −0.16 −0.19 −0.16 −0.16 −0.31 −0.31
 % of immigrant students in school 5.43 3.35 5.43 2.52 2.77 2.77
 % of repeaters in school 0.36 0.31 0.36 0.29 0.27 0.27
 PISA score 2000 506.80 500.46 490.83 493.04 496.92 482.30
 PISA score 2003 490.66 480.00 492.11 485.63 488.63 493.23
 PISA score 2006 477.27 474.42 500.11 502.07 471.05 492.25
 PISA score 2009 500.86 483.61 494.63 495.33 484.70 490.64
  1. Note: All variables, except PISA scores, are averaged at the regional level for the pre-treatment period (2000 and 2003).