Figure 4. Percentage of public schools providing training for classroom teachers or aides in specific safety and discipline topics: School years 2019–20 and 2021–22
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A confidence interval is a range of values that describes the uncertainty surrounding an estimate. Throughout the Condition of Education, confidence intervals are calculated as the estimate +/- the margin of error, based on a 95 percent level of confidence. This means that there is 95 percent certainty that the range includes the true or actual value of the statistic.
Confidence Interval
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1 Includes those related to cyberbullying, bullying, violence, and alcohol and/or drug use. Schools that reported providing trainings on two or more of these topics were counted once.

2 Includes early warning signs of student violent behavior; physical, social, and verbal bullying behaviors; signs of self-harm or suicidal tendencies; and signs of students using/abusing alcohol and/or drugs. Schools that reported providing trainings on two or more of these topics were counted once.

3 This item on the questionnaire provided the following examples of mental health disorders: depression, mood disorders, and ADHD. The questionnaire defined mental health disorders as “collectively, all diagnosable mental health disorders or health conditions that are characterized by alterations in thinking, mood, or behavior (or some combination thereof) associated with distress and/or impaired functioning.”

NOTE: To estimate the margin of error, the standard error is scaled based on the desired level of confidence in the estimate. Throughout the Condition of Education, margins of error are produced based on a 95 percent level of confidence. Margin of error is calculated as 1.96*standard error. Includes trainings provided by the school or school district. Responses were provided by the principal or the person most knowledgeable about crime and safety issues at the school. Figures are plotted based on unrounded data.

SOURCE: U.S. Department of Education, National Center for Education Statistics, 2019–20 and 2021–22 School Survey on Crime and Safety (SSOCS), 2020 and 2022. See Digest of Education Statistics 2021, table 233.67b and Digest of Education Statistics 2023, table 233.67b.