New York City High School Calendar Dates for 2009-2010 School YearFall Semester
- School begins for students - Wednesday September 9, 2009
- Yom Kippur (no school) - Monday September 28, 2009
- Columbus Day (no school) - Monday October 12, 2009
- Election Day (no students) - Tuesday November 3, 2009
- Veterans Day (no school) - Wednesday November 11, 2009
- Thanksgiving (no school) - Thursday and Friday November 26 and 27, 2009
- Winter Recess (no school) - Thursday December 24 to Friday January 1, 2010
- Dr. Martin Luther King's Birthday observered (no school) - Monday January 18, 2010
- Last Day of Fall Semester (no school) - Monday February 1, 2010
Spring Semester
- Spring Semester begins - Tuesday February 2, 2010
- Mid-Winter Recess (no school) - Monday February 15 through Friday February 19, 2010
- Spring Recess (no school) - Monday March 29 through Tuesday April 6, 2010
- Memorial Day (no school) - Monday May 31, 2010
- Chancellor's Conference Day for staff development (no students) - Thursday June 10, 2010
- Last Day for Students and Teachers - Monday June 28, 2010