Actual software applications usually cannot be installed on a Chromebook, which usually means that editing video has to be done in the cloud, like at wevideo.com, which was neither free nor convenient for schools and students.
With the advent of being able to install some Linux apps on Chromebooks, developers have bundled together some Linux open-source applications that can easily be installed (You don’t need to know Linux) via Flatpak.
There are several choices, but my favorite is OpenShot. It is a typical non-linear video editor that students can learn easily. It even comes with a nice library of transitions and effects.
You are not going to be able to edit the next Star Wars movie with it on a Chromebook, but for presentations, science experiments, debates, book reports – you name it – it provides the best option for editing video on a Chromebook.
Here is how to install it on a Chromebook: