All the free options of Canva have allowed me to do anything I have wanted to do for quick graphic arts options. Its easy to use, allows you to be creative and adjust "canned options" to become your own. It could be used in a classroom setting for teachers to create graphics associated with units or lessons, it could allow teachers to create a "classroom logo" for correspondence as well. Students could use Canva in app-smashing opportunities within slide presentations, Canva could be used for branding your school on social media. The possibilities for educational use are endless!
I do suggest going to the website using a laptop/desktop computer- I found trying to navigate the browser on a tablet device cumbersome. Overall, I believe Canva is a quick alternative to add a little umph to your communication!
(Click below to watch my introduction video to Canva)