a regular basis to ensure it is up to date. As such: • if required, the designated safeguarding lead (or a deputy) should discuss the local response to sexual violence and sexual harassment with police and local authority children’s social care colleagues in order to prepare the schools or 143 HSB framework and audit | NSPCC Learning discusses the continuum harmful behaviour can progress on (Hackett 2019 continuum model). 144 Hackett et al 2013 study of children and young people with harmful sexual behaviour suggests that two- thirds had experienced some kind of abuse or trauma. 117 college’s policies (especially the child protection policy) and responses, and • the designated safeguarding lead (and their deputies) should be confident as to what local specialist support is available to support all children involved (including victims and alleged perpetrators) in sexual violence and sexual harassment and be confident as to how to access this support when required. Further information on specialist support and interventions can be found in Annex B in the additional advice and support section under “sexual violence and sexual harassment”. Responding to reports of sexual violence and sexual harassment 464. Part two of this guidance is clear that systems should be in place (and they should be well promoted, easily understood and easily accessible) for children to confidently report abuse, knowing their concerns will be treated seriously. 465. Reports of sexual violence and sexual harassment are likely to be complex and require difficult professional decisions to be made, often quickly and under pressure. Pre-planning, effective training and effective policies will provide schools and colleges with the foundation for a calm, considered and appropriate response to any reports.