All lessons will take place in Preply Space, our online classroom where you can communicate with your tutor. On Preply, you can find computer science tutors around the world, so there's always a tutor available to work around your hectic schedule. You can schedule as many classes a week as you want or need. Schedule a weekly session to stay on top of your computer science homework, or book in multiple sessions in one week if you need to get ready for your upcoming exams.