All online courses have the following technical requirements, in addition to specific requirements listed in the course description: 

  • A computer with broadband internet access and a current web browser.  
  • A headset, speakers, and a microphone, plus common tools such as Zoom, allow interaction with instructors and other students during real-time class and tutoring sessions. 
  • Students use a K12 email address and Microsoft Office 365 apps, which are provided by CTY. Additional plug-ins may need to be installed to support videos and submission of work and tests. 


We recommend a minimum of 5-10 mbps to run any CTY website or program. To run a speed test, visit

Computer Hardware & Web Browsers 

  • Computers or devices using Windows 10, MacOS 10.13.6, or iPadOS 12.4.7 or later operation systems. 
  • Current supported web browsers, including:  
    1. Chrome 
    2. Firefox 
    3. Microsoft Edge 
    4. Safari for Mac computers and devices 

Your Browser 

Your internet browser should be configured to: 

  • Enable cookies 
  • Enable JavaScript 
  • Allow pop-up windows 
  • Allow plug-ins when needed 


Additional software may be needed, and is indicated within the details of each course: 

  • Adobe Reader – other PDF viewers are not supported. 
  • Software Development Kits for programming, for example, Java. 
  • Respondus Lockdown Browser 
  • Zoom