Expand 3-K seats in 56 high-demand ZIP codes

56 ZIP codes will receive additional free 3-K seats next year. Subset of universal childcare goal; specific neighborhood targeting in high-demand areas. [2026-05-18 update] Expansion doubled — ~2,000 additional 3-K seats announced Mon May 18 for fall 2026 across all five boroughs, most via community-based provider partnerships. New Columbia Waterfront Brooklyn center adds 63 seats. Waitlist live on myschools.nyc. Geographic redistribution is explicit aim — fix prior mismatch where neighborhoods had simultaneous waitlists and empty seats. [Sept 10, 2026] Opening day: 2-K launches (2,000 inaugural seats, 10hr/day year-round, first-in-nation), plus 2,000+ new 3-K seats across 56 ZIP codes (5 Bronx / 6 SI / 8 Bklyn / 16 Man / 21 Qns). Contract-registration backlog to community-based providers unresolved; Mamdani spokesperson calls delays "unacceptable." Erica Phillips named DECE deputy chancellor Sept 8 to manage crisis.