The Children’s Internet Protection Act (CIPA) was enacted by Congress in 2000 to address concerns about children’s access to obscene or harmful content over the Internet. More information can be found here
The feature "Block adult content", available when configuring a Cisco Meraki SSID in NAT mode, is commonly used to fulfill CIPA compliant requirements on a Cisco Meraki wireless edge network. This is a common misconception, however, this could easily be resolved by adding a Cisco Meraki MX Security appliance running content filtering upstream of the wireless access points.
· Connect and configure the Wi-Fi network, all steps can be found here
· Connect and configure the MX appliance, all steps can be found here
· Configuring content filtering to AD, steps found here