This Chrome extension is named Strict Workflow. It allows you to set up a timer dedicated to finishing your work and a timer dedicated to time that you want to spend on a break before going back to work. It is very simple to set up, and hopefully it will help you study for school!
Check out Strict Workflow here: https://chrome.google.com/webstore/detail/strict-workflow/cgmnfnmlficgeijcalkgnnkigkefkbhd
By Franklin Moy