If you cant find a class through your school, and you cant afford to pay for a course, you can research this topic on your own.
The internet is full of essay writing tips, and you can also study sample essays to get an idea of how a good essay is structured, how to craft a supporting argument, and what a strong thesis looks like.
If one of you becomes stuck, the other can give feedback and advice.
Remember that writing doesnt have to be a lonely activity; if you have an essay coming up, consider suggesting to friends in your course that you all get together to bounce ideas off each other and write.
Often, its easier to notice mistakes in someone elses writing than in your own.
When you work with a friend or a group of friends, its easier to stay focused and encouraged to write.
Colleges and universities all have their own policies for dealing with plagiarism, and the consequences are usually quite strict.
You might find yourself failing the course, put on academic probation, or even asked to leave the school.
It may be helpful to get together to encourage each other to write.
You can also help edit each others writing and give feedback.