Your target audience is students of grades 9-12. I think they are few in the world for such a project. Or maybe I'm wrong? Maybe it's worth to cover a little more audience?
The target reach of Õpet for students in high school and grades 9-12 is easily 400 million. This colossal size of the market will continue to grow only as the world moves towards the knowledge economy, and educational opportunities and technologies are increasingly growing in developing countries.
students that are in grades 9 - 12 will benefit from opet the most . This is the time when your preparing for your gcse's and the extra help will surely be the key to getting the results you want .