(weather) snowstorm

closure of a gate etc. / closing, closing down, lockout

windstorm, stormy wind, storm, gale

to close an entrance / to close down a facility, company, etc.

snow

school (institution dedicated to teaching and learning)

snow / white as snow / cleanse

rainstorm

(phonetics) a stop, a plosive

academy or non-university college (a post-secondary school not legally considered a university)