Sometimes filters only block the domain name ( pinterest.com ) and not the direct numerical address of the server. Open the (press Ctrl + Alt + T ). Type ping pinterest.com and press Enter. Note the numbers in the parentheses (e.g., 151.101.x.x ).
Services like Proxy-Cheap or CroxyProxy are frequently used because they handle modern web layouts (like Pinterest's infinite scroll) better than basic text-only proxies.
A Virtual Private Network (VPN) encrypts all your traffic, making it invisible to the school’s router. While many Chrome Web Store extensions are blocked by admins, some "portable" or specifically designed student VPNs still work.