Frequency Reports
Other State Reports
State-level Demographic Group Frequency Reports
State-level frequency reports are available by a number of different demographic groups.
Technical Reports
Analytic Reports
Analytic Reports include information on participation rates, survey methods, participant demographics, significant differences by grade level and sex assigned at birth; changes since the previous administration; and trend data for select topics.
2025 Analytic Report
2023 Analytic Report
2021 Analytic Report
2018 Analytic Report
2016 Analytic Report
2014 Analytic Report
2012 Analytic Report
2010 Analytic Report
2008 Analytic Report
2006 Analytic Report
2004 Analytic Report
2002 Analytic Report
2000 Analytic Report
2000 Topical Report
2000 Technical Report
1998 Analytic Report
1998 Technical Report
1995-1996 Analytic Report
1995 Technical Report
1988-1992 State Survey
1988-1990 Substance Use
1988 Substance Use Report
Bias Analysis
Bias analysis reports seek to determine if HYS results can be generalized to Washington State public school students. The Bias Analysis compares the characteristics and responses of schools and students who participated in HYS to those that did not participate and to students statewide.
2025 Bias Analysis
2023 Bias Analysis
2021 Bias Analysis
2018 Bias Analysis
2016 Bias Analysis
2014 Bias Analysis
2010 Bias Analysis
2008 Bias Analysis
2004 Bias Analysis
2002 Bias Analysis
Risk & Protective Factor Reports
Find details about how the Risk and Protective Factors are generated.
2010 History of Risk and Protective Factors in HYS
1998 Risk & Protective Factors
1995 Risk & Protective Factors
1988-1992 Relating Risk Behaviors