Web filtering in schools

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Web filtering in schools blocks students from inappropriate and distracting content across the web, while allowing sites that are selected by school administrators. ^[1] Rather than simply blocking off large portions of the Internet, many schools utilize customizable web filtering systems that provide them with greater control over which sites are allowed and which are blocked. Schools will typically block social media websites, games, pornography, other distracting websites, websites that harm academic integrity, websites that bypass web filtering, etc.

The Children's Internet Protection Act (CIPA) requires that U.S. schools have appropriate measures in place to protect students from obscene or harmful online content in order to be eligible for discounts on internet access or internal connections through the Schools and Libraries Program of the Universal Service Fund, commonly known as the E-Rate program.^[2] There are a number of commercially available free and paid services that allow schools to meet CIPA requirements and receive the discount.

The FCC and CIPA do not specify how the filtering needs to be done, so most schools are using a combination of DNS, browser and firewall-based filtering.

The DNS filtering happens at the domain resolution layer of the Internet and does not allow the IP address of an obscene or harmful website to be discovered. There are multiple paid products that perform such work, but many schools are leveraging free solutions to filter non-safe sites.^[3]

• Don't Filter Me