***Public and Private School Principle in the United States: A Statistical Profile, 1987-88 to 1993-94*****Table B21.�Standard errors for Table A21:  Percentage of public elementary school principals            who view certain issues as serious problems in their schools, by sex, age,            experience, and race-ethnicity of principals:  1993-94**-------------------------------------------------------------------------------------------------------------------------                                             Five most frequently identified problems in public elementary schools                                      -----------------------------------------------------------------------------------                                                      Students come     Lack of parent     Parent alcohol/        StudentPrincipal characteristics             Poverty      unprepared to learn    involvement        drug abuse           apathy-------------------------------------------------------------------------------------------------------------------------Total                                  0.74               0.58               0.51               0.43               0.38Sex  Male                                 0.73               0.63               0.65               0.46               0.60  Female                               1.35               1.02               0.68               0.72               0.50Age  Under 35                             3.68               2.34               2.91               3.26               2.24  35-39                                2.54               2.00               1.69               2.20               1.14  40-44                                1.39               0.99               1.13               0.62               0.92  45-49                                1.53               1.18               0.97               0.89               0.93  50-54                                1.50               1.20               1.25               1.16               0.71  55 and over                          1.71               1.18               1.21               1.28               0.92Experience as a principal  Fewer than 3 years                   1.65               1.04               1.27               1.05               0.82  3 to 9 years                         1.12               0.89               0.84               0.74               0.61  10 years or more                     0.97               0.98               0.90               0.84               0.75Race-ethnicity  American Indian/Alaska Native        6.33               4.82               3.56               2.06               2.67  Asian/Pacific Islander               6.88               6.15               3.80                 �                  �  Black non-Hispanic                   2.44               1.79               1.78               1.59               1.11  White non-Hispanic                   0.73               0.60               0.60               0.44               0.44  Hispanic                             6.01               4.53               3.97               3.52               2.12-------------------------------------------------------------------------------------------------------------------------          � Too few cases for a reliable estimate.NOTE:  Problems listed are the five most frequently identified in elementary schools, in order of frequency.SOURCE:  U.S. Department of Education, National Center for Education Statistics, Schools and Staffing Survey:  1993-94 (Public School Principal Questionnaire).