***Public and Private School Principle in the United States: A Statistical Profile, 1987-88 to 1993-94*****Table B11.-Standard errors for Table A11:  Percentage of public and private school principals            by highest degree earned, by school level, school size, minority enrollment,            free-lunch recipients, district size, and community type:  1987-88, 1990-91,            and 1993-94**------------------------------------------------------------------------------------------------------------------------------------------------------------                                                                                     Highest degree                            --------------------------------------------------------------------------------------------------------------------------------                                                     Public                                                       Private                            -------------------------------------------------------------   ----------------------------------------------------------------                              Less than                             Ed. Sp./                  Less than                           Ed. Sp./School characteristics       Bachelor's   Bachelor's   Master's   prof. dipl.  Doctorate     Bachelor's  Bachelor's   Master's  prof. dipl.   Doctorate------------------------------------------------------------------------------------------------------------------------------------------------------------1987-1988  School level    Elementary                    0.06        0.34        0.77        0.68        0.47          1.25        1.69        1.88        1.13        0.63    Secondary                     0.08        0.22        1.00        0.93        0.49          0.27        3.71        3.65        2.61        1.53    Combined                      0.00        0.75        2.05        1.63        1.31          2.05        3.21        3.05        1.32        1.39  School size    Less than 150                   -         1.98        2.19        1.86        1.36          1.82        2.23        2.42        1.14        0.67    150-499                         -         0.21        0.68         0.7        0.52          0.60        1.88        1.91        1.48        0.73    500-749                         -         0.22        1.27        1.15        0.76            -         1.32        4.94        4.21         2.7    750 or more                   0.11        0.18        1.26        1.31        0.67            -         2.29        5.23        4.21        3.67  Minority enrollment    Less than 20%                 0.05        0.33         0.8        0.66        0.45          1.26        1.93        2.01        0.82        0.67    20-50%                        0.00        0.65         1.6        1.28        0.97          1.36        3.20        3.66        2.73        1.55    More than 50%                   -         0.25        1.48        1.41        0.81          0.78        3.58        3.83        2.70        1.53  Free-lunch recipients    Less than 20%                 0.06        0.42        0.94        0.82        0.55          1.14        1.76        1.73        0.93        0.64    20-49%                          -         0.38        1.09        1.02        0.54          0.40        3.43        4.99        4.40        1.06    50% or more                   0.18        0.40        1.37        1.49        0.80          2.06        4.32        5.23        3.91        2.98  District size    Less than 1,000                 -         0.95        1.26        1.33         0.7          (*)         (*)         (*)         (*)         (*)    1,000-4,999                     -         0.42        0.92        0.93        0.62          (*)         (*)         (*)         (*)         (*)    5,000-9,999                     -         0.55        1.68        1.62        0.95          (*)         (*)         (*)         (*)         (*)    10,000 or more                  -         0.24        0.99        0.95        0.73          (*)         (*)         (*)         (*)         (*)  Community type    Central city                    -         0.38        1.36        1.26        0.75          1.16        1.69        2.18        1.18        0.79    Urban fringe/large town         -         0.23        1.08        0.99         0.6          1.10        2.47        2.49        1.79        0.64    Rural/small town              0.09        0.45        0.71        0.73        1.00          2.60        3.70        3.55        1.45        0.53------------------------------------------------------------------------------------------------------------------------------------------------------------   See footnotes at end of tables.**Table B11.-Standard errors for Table A11:  Percentage of public and private school principals            by highest degree earned, by school level, school size, minority enrollment,            free-lunch recipients, district size, and community type:  1987-88, 1990-91,            and 1993-94(continued)**------------------------------------------------------------------------------------------------------------------------------------------------------------                                                                                     Highest degree                            --------------------------------------------------------------------------------------------------------------------------------                                                     Public                                                       Private                            -------------------------------------------------------------   ----------------------------------------------------------------                              Less than                             Ed. Sp./                  Less than                           Ed. Sp./School characteristics       Bachelor's   Bachelor's   Master's   prof. dipl.  Doctorate     Bachelor's  Bachelor's   Master's  prof. dipl.   Doctorate------------------------------------------------------------------------------------------------------------------------------------------------------------1990-1991  School level    Elementary                    0.00        0.28        0.95        0.78        0.58          1.65        1.48        1.58        1.09        0.58    Secondary                       -         0.31        0.98        0.85        0.68            -         2.21        3.15        2.14        2.33    Combined                        -         0.82        2.42        1.96        1.94          2.18        2.72        2.30        1.16        1.57  School size    Less than 150                   -         1.17        2.19        1.52        1.21          2.49        2.08        1.76        1.11        0.76    150-499                         -         0.29        1.08        0.96        0.63          0.12        1.40        1.83        1.15        0.87    500-749                       0.00        0.30        1.52        1.24        0.88            -         1.98        3.61        3.50        1.86    750 or more                   0.00        0.33        1.25        1.10        0.81          0.00        1.63        5.13        3.65        3.02  Minority enrollment    Less than 20%                   -         0.34        1.03        0.81        0.56          1.87        1.67        1.65        0.90        0.54    20-50%                          -         0.28        1.50        1.21        0.72          1.36        2.48        2.69        1.95        1.45    More than 50%                 0.00        0.44        1.65        1.64        1.10          1.46        3.13        3.33        2.18        2.44  Free-lunch recipients    Less than 20%                   -         0.29        1.11        0.95        0.83          (a)         (a)         (a)         (a)         (a)    20-49%                          -         0.40        1.18        0.95        0.62          (a)         (a)         (a)         (a)         (a)    50% or more                     -         0.31        1.33        1.45        0.84          (a)         (a)         (a)         (a)         (a)  District size    Less than 1,000                 -         0.75        1.64        1.67        0.77          (*)         (*)         (*)         (*)         (*)    1,000-4,999                     -         0.46        1.24        1.20        0.62          (*)         (*)         (*)         (*)         (*)    5,000-9,999                   0.00          -         2.14        2.07        1.36          (*)         (*)         (*)         (*)         (*)    10,000 or more                0.00        0.22        1.14        1.06        0.81          (*)         (*)         (*)         (*)         (*)  Community type    Central city                    -         0.22        1.44        1.32        0.84          0.94        1.81        2.12        1.15        1.05    Urban fringe/large town       0.00        0.41        1.58        1.26        1.03          1.19        2.13        2.33        1.40        1.29    Rural/small town                -         0.35        0.88        0.81        0.46          3.57        2.77        2.61        1.32        1.03------------------------------------------------------------------------------------------------------------------------------------------------------------   See footnotes at end of tables.**Table B11.-Standard errors for Table A11:  Percentage of public and private school principals            by highest degree earned, by school level, school size, minority enrollment,            free-lunch recipients, district size, and community type:  1987-88, 1990-91,            and 1993-94(continued)**------------------------------------------------------------------------------------------------------------------------------------------------------------                                                                                     Highest degree                            --------------------------------------------------------------------------------------------------------------------------------                                                     Public                                                       Private                            -------------------------------------------------------------   ----------------------------------------------------------------                              Less than                             Ed. Sp./                  Less than                           Ed. Sp./School characteristics       Bachelor's   Bachelor's   Master's   prof. dipl.  Doctorate     Bachelor's  Bachelor's   Master's  prof. dipl.   Doctorate------------------------------------------------------------------------------------------------------------------------------------------------------------1993-94  School level    Elementary                      -         0.28        0.89        0.75        0.43          1.45        1.46        1.73        0.59        0.60    Secondary                     0.00        0.23        0.70        0.59        0.48            -         1.28        2.87        2.52        1.87    Combined                      0.00        0.44        2.80        2.23        1.53          2.28        2.74        2.41        0.97        1.16  School size    Less than 150                 0.00        1.07        1.77        1.55        1.43          1.89        2.29        1.91        0.74        0.89    150-499                         -         0.30        1.10        1.05        0.40          0.46        1.07        1.30        0.78        0.63    500-749                       0.00        0.28        1.43        1.31        0.76          0.30        2.61        2.77        1.66        1.26    750 or more                   0.00        0.18        1.30        1.11        0.97            -         1.39        2.92        1.52        1.74  Minority enrollment    Less than 20%                 0.00        0.30        0.92        0.83        0.51          1.45        1.70        1.58        0.48        0.73    20-50%                        0.00        0.62        1.62        1.17        0.87          1.93        2.90        3.62        1.53        0.96    More than 50%                   -         0.38        1.44        1.14        1.02          1.39        2.81        3.39        1.97        1.10  Free-lunch recipients    Less than 20%                 0.00        0.24        1.01        1.01        0.73          0.00        1.33        1.91        1.30        1.24    20-49%                        0.00        0.40        1.09        1.11        0.51          2.24        4.30        5.77        2.24        0.85    50% or more                     -         0.43        1.37        1.19         0.9          0.69        7.29        6.65        2.05        2.20  District size    Less than 1,000                 -         0.57        1.90        1.46        1.18          (*)         (*)         (*)         (*)         (*)    1,000-4,999                   0.00        0.36        1.13        1.19        0.67          (*)         (*)         (*)         (*)         (*)    5,000-9,999                   0.00        1.08        1.70        1.35        0.86          (*)         (*)         (*)         (*)         (*)    10,000 or more                0.00        0.05        1.26        0.98        0.76          (*)         (*)         (*)         (*)         (*)  Community type    Central city                  0.00        0.29        1.33        1.17        0.81          0.71        1.60        1.52        0.80        0.72    Urban fringe/large town       0.00        0.48        1.51        1.27        1.00          2.70        2.07        2.80        1.02        1.14    Rural/small town                -         0.33        1.04        0.83        0.43          2.92        3.11        2.56        0.90        0.86------------------------------------------------------------------------------------------------------------------------------------------------------------          (a) Item not included on SASS instrument that year.(*) Item not applicable to private school principals.-Too few cases for a reliable estimate.SOURCE:  U.S. Department of Education, National Center for Education Statistics, Schools and Staffing Survey:  1987-88 (School Administrator, Public School, and Teacher Demand and Shortage Questionnaires), 1990-91 (Public and Private School Administrator, Public and Private School, and Teacher Demand and Shortage Questionnaires), and 1993-94 (Public and Private School Principal, Public and Private School, and Teacher Demand and Shortage Questionnaires).