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Parents and staffers at a Brooklyn Catholic school on Tuesday protested the decision by city and state officials to shut them down due to COVID-19 hikes in the surrounding neighborhoods.

Roughly 50 people gathered outside Good Shepherd Catholic Academy in Marine Park and ripped the agreement by Mayor Bill de Blasio and Gov. Andrew Cuomo to close both public and private schools in nine city hard-hit zip codes.

“We’re disappointed today,” said principal John O’Brien. “We’ve had one month of school where the boys and girls have been in the building every day. We’re following all the guidelines that we’re supposed to. Thank God we’ve had no positive cases, nobody’s been sick, and still we have to close today.”

Both Cuomo and de Blasio argued that the drastic measures were necessary to curb any coronavirus flareup in the impacted areas.

But O’Brien asserted that the strategy was ill-conceived.

“The zip code plan doesn’t seem to be the right way to go about it,” he said. “If there were cases in our school, we would have to shut down and nobody would argue about that.”

Cuomo on Tuesday updated the closure plan, scrapping the zip code format in favor of a color-coded mapping system based on COVID-19 flareup data and analysis.

Parent David Evans said parents were considering legal action to resist the closure.

“We’ve had in-school learning for five weeks and we’ve proud to say we have had no hiccups in our plan whatsoever,” he said. “If there is no threat here, there is no need to close down.”

Another parent, Lisa Lankford, said she was blindsided by the sudden stoppage.

“I was devastated,” he said. “My kids are finally getting into a routine after being home for the last six months. It’s crushing.”