Anxiety Support Group
Anxiety is a physical condition marked by intense and persistent feelings of distress, fear, angst or dread. General anxiety caused by routine day-to-day stresses usually passes quickly and is experienced by almost everyone at one time or another. However, such feelings that linger over time and are very difficult to cope with, and which lack a clear cause, may indicate...

The fact that you do not do it with friends says your anxiety in school is affecting your ability to do your work.
And, I agree with rmb to thank you for the excellent feedback for your well-being.