Then you will need to arrange to stay for Academic Assistance after school. There are computers available for you to use. All you need to do is bring a flashdrive (aka a memory stick) to save your work.

The public library has computers with internet access for you to use. The library is just one way you parents' tax dollars are used. If there are videos you need to watch, bring a set of head phone for quiet listening.

Then you must take the initiative to communicate the issue with your teacher. She can't read your mind or understand your situation if you don't make the effort to communicate your needs.