Your profile photo is important because it gives an idea of who you are. The photo will need to be 225px X 225px in size (a square), so make sure you properly format it so it fits appropriately.
Here is an example of the size:
If you need help with uploading the image, please contact us by submitting a Help Center ticket request when you are logged into the platform. You can click the Help button in the lower right-hand corner of the screen.
Make sure you include your name, the school you are attending/have attended, and attach the photo so that we can help!
See also: Change Your Profile Photo