Schools

When is the First Day of School in Mount Sinai?

A guide to help you plan ahead for school.

It may seem like summer has just started – but already, some stores are gearing up for back-to-school time. When’s it time to start planning for the start of school? Here’s a quick guide to help you along the way.

Mount Sinai School District

First Day of School for Students: Monday, Sept. 9

First Day of School for Teachers: Tuesday, Sept. 3

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Click here for full 2013-14 District Calendar

Important High School Dates to Remember:

Find out what's happening in Port Jeffersonfor free with the latest updates from Patch.

  • Superintendent's Conference Days: Nov. 5, March 14
  • High School Freshman Orientation: Aug. 27, 10:30 a.m.
  • Grade 5 Open House (Middle School): Aug. 27, 9-11 a.m. 

Summer Resources:

Fall Holidays

  • Labor Day: Sept. 2

  • Rosh Hashanah: Sept. 5 – Sept. 6

  • Columbus Day: Oct. 14

  • Veterans Day: Nov. 11

  • Thanksgiving Recess: Nov. 27 – Nov. 29

  • Winter Holidays

    • Holiday recess: Dec. 23 – Jan. 1

  • Martin Luther King Jr. Day – Jan. 20

  • Presidents Day: Feb. 17

  • Winter recess: Feb. 17 – Feb. 21

  • Spring Holidays

    • Spring break: April 14 – April 21

  • Memorial Day: May 26

  • Snow Contingency Plan

    • Number of snow days built into calendar: 5

    Last Day of School: June 26, 2014

    Source: Mt. Sinai School District Website.

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