This video demonstrates how you can use a little snippet of html code to actually embed another website into a district LMS page. I have successfully tested this with several types of pages but I am unsure if it will work with any page and you should also keep in mind that the district filter will still be in effect for users logged in as students. Thanks to Frieda Foxworth for sharing a little tutorial that ended up helping us figure how to do this little trick.
Here is the code that I used in the video -
Note that the following code needs to begin with a < and end with >