Venezuelan authorities didn't immediately confirm the releases, but opposition leaders like Henrique Capriles celebrated on social media, calling it a "step forward."
The head of Immigrations and Customs Enforcement told NBC News that agents wouldn't be at D.C. schools on the first day Monday, but they might come onto campuses in the future.
Karla Trigueros has been praised by Salvadoran President Nayib Bukele, while teacher groups say a military official in charge of education is "absurd."