Public and Private School Principle in the United States: A Statistical Profile, 1987-88 to 1993-94
Table B3.-Standard errors for Table A3:  Percentage of public school principals by district 
          size, by sex, race-ethnicity, and age of principals:  1987-88, 1990-91, and 
          1993-94
------------------------------------------------------------------------------------------------------------------------------------------     
                                                                               District size
                                     -----------------------------------------------------------------------------------------------------     
                                     Less than 1,000              1,000-4,999                 5,000-9,999             10,000 or more
                                -------------------------  -------------------------  -------------------------  -------------------------
Principal characteristics       1987-88  1990-91  1993-94  1987-88  1990-91  1993-94  1987-88  1990-91  1993-94  1987-88  1990-91  1993-94
------------------------------------------------------------------------------------------------------------------------------------------     
Sex
  Male                             1.29     1.50     1.48     1.08     1.15     1.45     1.57     1.78     1.64     1.12     1.13     1.41
  Female                           1.29     1.50     1.48     1.08     1.15     1.45     1.57     1.78     1.64     1.12     1.13     1.41
Race-ethnicity
  American Indian/Alaska Native    0.60     0.53     0.33     0.17     0.14     0.14     0.28     0.26     0.32     0.14     0.19     0.12
  Asian/Pacific Islander           0.00       -      0.35     0.08       -      0.01       -      0.45     0.51     0.22     0.26     0.33
  Black non-Hispanic               0.27     0.36     0.30     0.34     0.33     0.45     0.98     0.82     1.06     0.89     0.93     1.10
  White non-Hispanic               0.81     0.73     0.57     0.38     0.48     0.58     1.14     1.49     1.47     0.89     1.13     1.29
  Hispanic                         0.43     0.33     0.30     0.26     0.44     0.39     0.56     1.12     1.14     0.54     0.79     0.89
Total minority                     0.81     0.73     0.57     0.38     0.48     0.58     1.14     1.49     1.47     0.89     1.13     1.29
Age
  Under 35                         0.78     0.90     0.68     0.60     0.54     0.40     0.78     0.58     0.54     0.41     0.28     0.22
  35-39                            1.26     1.26     0.94     0.95     0.81     0.69     1.01     1.23     0.93     0.72     0.66     0.49
  40-44                            1.64     1.52     1.44     0.92     1.32     1.05     1.61     1.76     1.63     1.01     1.02     0.97
  45-49                            1.27     1.33     1.11     0.95     1.10     1.14     1.61     1.84     2.00     1.00     1.08     1.41
  50-54                            1.31     1.09     1.34     0.83     0.96     1.11     1.47     1.45     1.45     0.84     0.95     1.04
  55 or over                       1.36     1.14     1.44     0.82     0.91     0.89     1.39     1.30     1.65     0.98     0.91     0.96
Average age                        0.28     0.30     0.28     0.21     0.20     0.19     0.28     0.25     0.28     0.16     0.17     0.14
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- Too few cases for a reliable estimate.
SOURCE:  U.S. Department of Education, , Schools and Staffing Survey:  1987-88 (School   
Administrator and Teacher Demand and Shortage Questionnaires), 1990-91 (Public School Administrator and Teacher Demand 
and Shortage Questionnaires, and 1993-94 (Public School Principal and Teacher Demand and Shortage Questionnaires).

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