When Madrid’s schools were closed in January due to the coldest weather in 50 years, parents living in the Entrepatios cooperative housing development already had a model that would have made many parents struggling through pandemic closures jealous. Their on-site “school” was inaugurated. Thanks to child care shifts and a Google calendar, working parents were able to focus on their day jobs most of the time, while their children took part in a children’s yoga class, a sleigh ride in the snow or a performance in the communal playroom...