The title of playwright Jonathan Spector’s Broadway debut, “Eureka Day,” refers to a private elementary school nestled in the hills of Berkeley. It’s the kind of place in which the library, where the play is set, categorizes books as “fiction,” “non-fiction,” or “social justice.” One poster decorating the walls declares, “We Are the Resistance;” another acknowledges that the school “is located on the unceded territory of the Chochenyo-Speaking Lisjan Ohlone People.”

The action unfolds at the beginning of the 2018-19 academic year, immediately preceding the one that brought us Covid. Yet the pandemic hovers over this whip-smart comedy like a storm cloud, and the mostly well-heeled, well-meaning parents and education official who make up its characters are already enmeshed in the progressive mores that have exploded even beyond tony neighborhoods and elite institutions in recent years.