Final answer:
The local school district's assembly to discuss anti-bullying policies represents a Primary intervention designed to prevent bullying, including cyberbullying, before it happens.
Step-by-step explanation:
The assembly held by the local school district to discuss new anti-bullying policies is an example of a Primary intervention. This type of intervention is proactive and aims to prevent bullying before it occurs by educating the school community and setting policies to create a safe environment. Primary interventions are essential in combating issues like cyberbullying and creating cultural reforms that discourage negative behaviors such as bullying, both online and offline.