Create an Internet policy
From a business and a legal perspective, organizations should develop and enforce Internet access/acceptable use policies (IAUP).
The policies should explain clearly to users how they are allowed to use the Internet for personal and business use at the organization and the consequences for breaking the policies.
Popular guides on Internet policy
Small business Internet policy
Internet policy in education
In education, there are other issues that arise when young people have web access that means policies may have to be stricter than in other types of organizations. Schools and colleges may also need to develop separate acceptable use policies for pupils/students and staff.