The Education Department made a scheduling error for this week’s Eid al-Adha, a Muslim holiday, and didn’t communicate about it to schools until Tuesday morning.

In a friend-of-the-court brief, city lawyers argued that arresting immigrants after court hearings would prevent them from using the court system.

In a new “habeas corpus” filing, the lawyers for Dylan, a Bronx high school student detained by ICE, demanded his immediate release.