Appendix A. Standard Error Tables

• Table 1a: Standard errors of the percentage of public school districts with written policies on general discipline and alcohol, drug, and tobacco use, and percentage of public school districts that have conducted a student alcohol, drug, or tobacco use survey within the last 2 years, by district characteristics: United States, 1990-91
   
• Table 2a: Standard errors of the percentage of public school districts indicating when their general discipline, alcohol, drug, and tobacco policies were last changed significantly, and the percentage of public school districts indicating that certain groups were involved in the development of these policies: United States, 1990-91
   
• Table 3a: Standard errors of the percentage of public school districts indicating that their general discipline, alcohol, drug, and tobacco policies were last changed significantly less than 1 year ago, by district characteristics: United States, 1990-91
   
• Table 4a: Standard errors of the average number of hours drug (including alcohol and tobacco) use education was required in each grade during the school year, by district characteristics: United States, 1990-91
   
• Table 5a: Standard errors of the average number of hours drugs (including alcohol and tobacco) use education was required in each grade span during the school year, by district characteristics: United States, 1990-91
   
• Table 6a: Standard errors of the percentage of public school districts offering drug (including alcohol and tobacco) use education through different approaches at each instructional level, by district characteristics: United States, 1990-91
   
• Table 7a: Standard errors of the percentage of public school districts indicating in how many schools certain components are included as part of their drug use education program/activities: United States, 1990-91
   
• Table 8a: Standard errors of the percentage of public school districts indicating that certain components are included as part of their drug use education program/activities in all or most schools, by size and location of district: United States, 1990-91
   
• Table 9a: Standard errors of the percentage of public school districts indicating the extent to which various organizations in their community provide assistance or educational support to promote safe, disciplined, and drug-free schools, and the extent to which various types of assistance are provided by these organizations: United States, 1990-91
   
• Table 10a: Standard errors of the percentage of public school districts indicating that to a great or moderate extent various organizations in their community provide assistance or educational support to promote safe, disciplined, and drug-free schools, and the percentage indicating that to a great or moderate extent various types of assistance are provided by these organizations, by size and location of district: United States, 1990-91
   
• Table 11a: Standard errors of the total and average number of times certain school actions were taken for disruptive behavior during the fall 1990 semester, by district characteristics: United States, 1990-91
   
• Table 12a: Standard errors of the total and average number of times certain school actions were taken for student alcohol and drug use, possession, or sales during the fall 1990 semester, by district characteristics: United States, 1990-91
   

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