In the U.S. students have a Christmas break/vacation.
Most commonly, students have half a day of school on December 23rd.
The next day; December 24th (Christmas Eve) there is NO SCHOOL.
December 25th is Christmas and there is NO SCHOOL and most places are closed.
Schools remain closed, for students and teachers, between Christmas and New Year’s Day (January 26th-January 1st).
Students usually return to school on January 2nd.