To view congratulatory messages sent to your students from high school principals and guidance counselors, go to the Comments section under the Network tab:
This page will display all of your comments from both government representatives and high schools. Click the Comments from High Schools button to view these congratulatory messages from principals and guidance counselors:
These comments will be grouped together by achievement. You can scroll down on the page to view comments from your previously sent achievements:
Click on the name of a high school and then on the Comments tab to see all of the congratulatory messages they have sent your students: