On this page you can list what you have done in CIS-Game Programming. Given the fact that you are still in high school, no one expects you to have a lengthy resume. I would list out the specific technologies that you used in bold. Under each skill, I would list specific concepts you've mastered. These might included specific programs you created based on the in-class exercises.
For example...
Visual Basic .Net
For example...
Visual Basic .Net
- Created user interfaces using Forms
- Managed groups of objects using arrays and ArrayLists
- Create object hierarchies using OOP techniques