For what it's worth I still try to use it whenever I write by hand (which is rare in the first place), but often revert to print because I can't usually decipher my cursive a day later.
My grandparents have letters that are written in this script, and I’ve seen it used in official documents from around 1900. I fell in love with this script and try my best and learning it currently. Just looking at it will make it obvious that it’s pretty impossible to write with a ballpoint pen.
Given the amount of typing that today's children will do I think it's a very good idea to teach them something that stands a chance of not being replaced by something more primitive as soon as they leave school (or much earlier, as in the case of my age group). The days of artfully written letters written on expensive paper won't come back any time soon.