• Dalton Seal

      Seal in Royal Blue

Academic Calendar

Upcoming Dates

  • Sep
    7

    Labor Day - School Closed

  • Sep
    9

    Classes Start

  • Sep
    12

    Rosh Hashanah - School Closed

  • Sep
    19

    Dalton Homecoming

    Dalton Homecoming 2026 - Saturday, September 19, 10:00 AM - 3:00 PM at Randall's Island.

    Kick off the school year with the whole community at the all-school Homecoming and Family Fun Day! Join us for Varsity, Junior Varsity, and MS games, an all-school picnic, an alumni tent, sportswear sale and more activities for all ages.

    Shuttle buses will leave 87th Street and 3rd Avenue every 30 minutes starting at 9:00 AM, and loop back between there and the Randall's Island Fields throughout the day until the end of the football game. The last shuttle will leave 87th Street at 2:00 PM.
  • Sep
    21

    Yom Kippur - School Closed

  • Oct
    12

    Columbus/Indigenous People's Day - School Closed

  • Oct
    13

    Professional Day - No Classes

  • Nov
    8

    Diwali - School Closed

  • Nov
    13

    FP/MS/HS Fall conferences - no classes

  • Nov
    25

    Thanksgiving Break - School Closed

  • Dec
    21

    Winter Break - School Closed

  • Dec
    28

    Winter Break - School Closed

  • Jan
    4

    School Reopens

  • Jan
    18

    MLK Jr. Day - School Closed

  • Feb
    6

    Lunar New Year - School Closed (Ramadan Starts)

  • Feb
    7

    Ramadan Starts

  • Feb
    12

    FP/MS/HS Report Writing Day - no classes

  • Feb
    15

    Presidents' Day - School Closed

  • Feb
    16

    Professional Day - No Classes

  • Mar
    5

    FP/MS/HS Winter Conferences - no classes

  • Mar
    9

    Eid al-Fitr - School Closed

  • Mar
    15

    Spring Break - School Closed

  • Mar
    22

    Spring Break - School Closed

  • Mar
    26

    Good Friday - School Closed for Spring Break

  • Mar
    28

    Easter - School Closed for Spring Break

  • Mar
    29

    School Reopens

  • Apr
    22

    Passover - School Closed

  • May
    18

    Eid al-Adha - School Closed

  • May
    31

    Memorial Day - School Closed

  • Jun
    19

    Juneteenth - School Closed

1/30

List of 11 items.

  • August 2026

    • August 17: Admin Team Retreat
    • August 19: Pre-Season Athletics (Football)
    • August 20: Pre-Season Athletics (Varsity B/G Soccer and Volleyball)
    • August 24: Pre-Season Athletics (JV B/G Soccer and Volleyball)
    • August 24: New Faculty/Staff Orientation
    • August 24-26: Peer Leadership Retreat
    • August 31: Pre-Season Athletics (Tennis, Cross Country)
    • August 31: Opening Faculty/Staff Meetings
    • August 31: 9th Grade Newly Admitted Student Orientation (6:00 PM)

  • September 2026

    • September 1: 9th Grade Orientation
    • September 2-4: 9th Grade Retreat at Brant Lake Camp
    • September 3: Middle School New Student Orientation
    • Monday, September 7: Labor Day—School Closed
    • Wednesday, September 9: Classes Start
    • Saturday, September 12: Rosh Hashanah—School Closed
    • Saturday, September 19: Homecoming
    • Monday, September 21: Yom Kippur—School Closed

  • October 2026

    • Monday, October 12: Columbus/Indigenous People’s Day—School Closed
    • Tuesday, October 13 Professional Day—School Closed for students
    • Friday, October 30: HS Report Writing (no HS classes)

  • November 2026

    • Sunday, November 8: Diwali—School Closed
    • Thursday, November 12: FP Fall Conferences (FP early dismissal)
    • Friday, November 13: FP/MS/HS Fall Conferences (no classes)
    • Wednesday, November 25 – Friday, November 27: Thanksgiving Break—School Closed
    • Monday, November 30: Classes Resume

  • December 2026

    • Friday, December 18: Candlelighting & Noon Dismissal
    • Monday, December 21 – Friday, January 1: Winter Break

  • January 2027

    • Monday, January 4: Classes Resume
    • Monday, January 18: MLK Jr. Day—School Closed

  • February 2027

    • Saturday, February 6: Lunar New Year—School Closed
    • Sunday, February 7: Ramadan starts
    • Friday, February 12: FP/MS/HS Report Writing Day (No classes)
    • Monday, February 15: President’s Day—School Closed
    • Tuesday, February 16: Professional Day—School Closed for Students

  • March 2027

    • Thursday, March 4: FP Winter Conferences (FP early dismissal)
    • Friday, March 5: FP/MS/HS Winter Conferences (no classes)
    • Tuesday, March 9: Eid al-Fitr – School Closed
    • Monday, March 15 – Friday, March 26: Spring Break
    • Friday, March 26: Good Friday – School Closed for Spring Break
    • Sunday, March 28: Easter – School Closed for Spring Break
    • Monday, March 29: Classes Resume

  • April 2027

    • Wednesday, April 7: 8th Grade Registration Conferences (no 8th grade classes)
    • Thursday, April 22: Passover—School Closed

  • May 2027

    • Friday, May 14: FP Report Writing Day (no FP classes)
    • Tuesday, May 18: Eid al-Adha—School Closed
    • Monday, May 31: Memorial Day—School Closed

  • June 2027

    • Wednesday, June 9: Arch Day—Last Day of Classes
    • Thursday, June 10 – Friday, June 11: Closing Meetings for Faculty & Staff
    • Saturday, June 19: Juneteenth—School Closed

Grades K-3

53 East 91st Street, New York, NY 10128

Grades 4-12

108 East 89th Street, New York, NY 10128

Physical Education Center

200 East 87th Street, New York, NY 10128

Contact Info

212-423-5200    |    Email Contacts

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