To add a profile picture follow these steps.
1. Click the settings cog from the side panel 👇
2. Click on the user image under the 'profile' section...
3. Choose a photo and click update.
(Remember everyone in your school or MAT will be able to see the photo you upload so make it fun, yet professional-ish).
That's it, you're done. You can change your photo as many times as you wish.