2020 Iowa Code 280.28 – Harassment and bullying prohibited — policy — immunity.

2009 Iowa Code 280.28 – Harassment and bullying prohibited — policy — immunity

2014 Iowa Code 280.28 – Harassment and bullying prohibited – policy – immunity.

2016 Iowa Code 280.28 – Harassment and bullying prohibited

2018 Iowa Code 280.28 – Harassment and bullying prohibited — policy — immunity.