whenver i would have shutdowns in school, here is what you do. First, take a deep breath, take dep breaths, then jus stare down at your desk, tune out everything in the classroom, and stare down at your desk, and bring yourself to a happier place and not the classroom, now only do this for a minute or so, if you absolutely have to. to help make yourself more relaxed. but i would jst reccomend bretahing deeply, and perhaps relaxing your body to feel more at ease, i also tend to feel extremly cold when im scared ands nervous, so i sometime carry a swetashirt with me in the fall during school to slip on, since i find the warmth naturally comforting.
_________________
It is not gods dream that carries out our duties, it is our duties that carry out gods dream