Dominic Abreu-Martinez, 11, Mikaela Martinez, 4, and Ezekiel Martinez, 2, are the children of Nastasia Martinez. The family lives in Riverdale, the Bronx, in a two-bedroom house, from which Ms. Martinez,
a single mother who has Crohn’s disease, tends to her job as a prior authorization specialist at NewYork-Presbyterian Hospital. She does this while cooking, cleaning and trying to create a school curriculum for Mikaela, a pre-K student prone to break out in dance midsentence.