Microsoft Visual Studio might be a bit more popular than Persistent SSH. We know about 1 link to it since March 2021 and only 1 link to Persistent SSH. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
KiTTy (A PuTTy derivative) has support for SSH-tunnels build-in. If you like the results then you can use something like persistant SSH tunnels (or a FOSS alternative) to maintain them. Source: almost 3 years ago
While the editor seems to old fashioned there isn't anything particularly wrong in using it for learning. Alternatively you can propose to your teacher about https://visualstudio.microsoft.com/vs/express/ . IMO editor is not a big factor when we are talking about high school learning. Source: about 3 years ago
MobaXterm - Enhanced terminal for Windows with X11 server, tabbed SSH client, network tools and much more
IntelliJ IDEA - Capable and Ergonomic IDE for JVM
KiTTY - KiTTY is a fork from version 0.70 of PuTTY. It adds extra features to PuTTY.
Xcode - Xcode is Apple’s powerful integrated development environment for creating great apps for Mac, iPhone, and iPad. Xcode 4 includes the Xcode IDE, instruments, iOS Simulator, and the latest Mac OS X and iOS SDKs.
Console - Console is a Windows console window enhancement.
Visual Studio Code - Build and debug modern web and cloud applications, by Microsoft