I put together a list of 23 network/networking courses you can take!

https://collegecompendium.goldin.io/search?q=network

I’ve spent the last week compiling around ~675 publicly available CS courses from around 20 colleges. Of those, there are 23 networking and network-based courses, which span from introductory to pretty advanced!

Hopefully you can get some use out of it. :)