Yes, if you connect to a VPN on your school Wi-Fi, your school will be able to see that you're using a VPN. However, due to the encryption, they will not be able to see your web traffic, passwords, and other information protected by the VPN. Some VPNs like Surfshark have a u0022camouflage modeu0022 that supposedly prevents your ISP from determining that you're using a VPN.u003cbr/u003eu003cbr/u003eStill, be mindful of your school’s policies on VPNs before using one on your school’s network. We would not recommend using one on campus if you’ve been specifically told not to.