Use a personal hotspot on your phone to download the file at home, then move it via USB to your school computer. Once the .html file is on the local hard drive, no internet is needed for singleplayer.
Because this runs in a browser, you may experience lag. To fix this: Eaglercraft 1.8.8 Download Google Drive -FREE-
Because you searched for , you are a target for hackers. Follow this checklist: Use a personal hotspot on your phone to