The Chicago City of Learning website is built to run on a variety of devices and screen sizes including smartphones and tablets. We do recommend the use of a desktop or laptop computer when interacting with the Online Challenge content, as they may occasionally take you to websites that are not optimized for mobile devices.
Here is a list of recommended desktop browsers and versions to best experience the CCOL website:
- Internet Explorer: 10, 11 or newer
- Firefox: 34, 35, 36 or newer
- Safari: 7, 8 or newer
- Chrome: 38, 39, 40 or newer
Known Browser Conflicts
Here is a list of browsers and versions that are known to cause conflicts with the CCOL website:
- Internet Explorer: 9 or older
If you are experiencing unusual difficulty with a browser that is not currently on this list, please let us know by submitting a help request.