As a teacher, if you'd like to find projects to review, please follow the below steps:
1) Go to 'My Classes' tab by clicking on your profile icon on the top right corner and click on the 'My Classes' tab
2) Click on a project.
3) Project sections that are ready for review will be marked with a pencil icon
Note that when a section is marked as ready for review, the teacher will be notified of it via email