***Public and Private School Principle in the United States: A Statistical Profile, 1987-88 to 1993-94*****Table A19.�Percentage of public and private secondary school principals who view certain issues            as serious problems in their schools, by selected school characteristics:  1993-94**--------------------------------------------------------------------------------------------------------------------                                                Five most frequently identified problems in secondary schools                                  ----------------------------------------------------------------------------------                                 Lack of parent                   Student                       Students comeSchool characteristics           involvement    Student apathy    alcohol use    Poverty        unprepared to learn--------------------------------------------------------------------------------------------------------------------PUBLIC     Total                            19.7           14.7           13.3           13.3           12.5     Minority enrollment          Less than 20%               13.7           12.0           15.6            7.0            8.6          20% to 50%                  20.8           16.1           12.3           12.3           14.4          More than 50%               38.7           21.9            7.0           36.0           23.3     School size          Less than 150               22.4           14.3           15.9           16.3           11.0          150 to 499                  19.3           13.2           15.4           13.6           14.7          500 to 749                  17.3           13.5           11.9           11.7            8.8          750 or more                 20.0           16.6           11.2           12.6           13.1     District size          Less than 1,000             17.8           10.3           17.7           12.7           11.1          1,000-4,999                 17.9           15.6           14.2           11.7           11.8          5,000-9,999                 18.5           13.5            9.9            9.2            8.5          10,000 or more              24.2           17.6            9.1           19.0           16.3     Community type          Central city                23.8           16.3            6.1           21.6           17.2          Urban fringe/large town     16.4           13.2           11.4            8.4            9.2          Rural/small town            19.8           14.7           16.3           12.9           12.5PRIVATE     Total                             5.2            5.0           11.6            6.3            2.5     Minority enrollment          Less than 20%                0.7             �             8.5             �              �          20% to 50%                   7.0            9.2             �            10.7            1.7          More than 50%               19.4           16.5           42.5           21.4             �     School size          Less than 150                7.6            8.1           18.4           10.2            5.4          150 to 499                   5.8            5.0            5.0            6.2             �          500 to 749                   0.0            0.0           11.0            0.0             �          750 or more                  0.0            0.0           13.9            0.0            0.0-------------------------------------------------------------------------------------------------------------------- � Too few cases for a reliable estimate. NOTE:  Problems listed are the five most frequently identified in secondary 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, Public School, and Teacher Demand and Shortage Questionnaires).