Natalie Walsh was set to play the lead in Centereach High School's production of "Les Miserables."
Now the show is rescheduled to May at the earliest.
Elena Randolph and her Baldwin High School teammates were supposed to play in the Long Island Championship.
The game was canceled.
And Delaney McKenna of Garden City High School was looking forward to a dinner celebrating her and her cheerleading squad.
That too was postponed.
There are thousands of stories like these. Across LI, coronavirus has crashed the prom - and then some.
"There will be a lot of tears, maybe a little anger," said one school counselor. "It would be a group of students grieving, and that's the reality."
"(Students) need to know it's OK to cry about this and to be angry and whatever feelings they're feeling," the counselor added.
Most students tell Newsday they are sad, but they understand. "It's disappointing, but important that everyone stays heathy," McKenna said.
In the meantime, some schools are looking into solutions such as virtual graduations, simpler proms or postponing events to July or August.
"We're going to do whatever we can for these kids," said Bethpage High School Principal Nicholas Jantz.