iMovie is a great resource for teachers and students who have access to the Mac computers as it comes free as a part of the computers' software package. iMovie can be utilized to create high quality digital stories.
From the resource: "With iMovie for iOS and macOS, you can enjoy your videos like never before. It’s easy to browse your clips and create Hollywood-style trailers and stunning 4K-resolution movies. You can even start editing on iPhone or iPad, then finish on your Mac."