Welcome to a Ridgeline and Mr. Petersen's website. Here is the list of classes I teach. Sign up for these classes, have your friends sign up, and I will see you in class. The rest of you, enjoy the browsing and exploration. I hope you find valuable resources.


Computer Science

  • Exploring Computer Science
  • Computer Science Principles
  • Computer Programming 1A
  • Computer Programming 1B


  • Business Office Specialist

Related Files