Complete school year calendar for the Sachem Central School District in Suffolk County — Long Island's largest school district by enrollment, serving over 14,000 students with a unique 'Day of Holy Obligation' policy for religious holidays. Includes all holidays, breaks, half days, and important dates from September 2026 through June 2027.
| Event | Date(s) | Status |
|---|---|---|
| Labor Day | September 7, 2026 (Mon) | No School |
| First Day of School (est.) | September 3, 2026 (Thu) | School Opens |
| Yom Kippur (est.) | September 21, 2026 (Mon) | No School |
| Columbus Day / Indigenous Peoples' Day | October 12, 2026 (Mon) | No School |
| Election Day / SCD (est.) | November 3, 2026 (Tue) | No School |
| Veterans Day | November 11, 2026 (Wed) | No School |
| Half Day (Pre-Thanksgiving, est.) | November 25, 2026 (Wed) | Half Day |
| Thanksgiving Recess | November 26–27, 2026 (Thu–Fri) | No School |
| Winter Recess (est.) | Dec 24, 2026 – Jan 1, 2027 | No School |
| Martin Luther King Jr. Day | January 18, 2027 (Mon) | No School |
| Mid-Winter Recess (est.) | February 15–19, 2027 (Mon–Fri) | No School |
| Spring Recess (est.) | March 26 – April 2, 2027 | No School |
| Memorial Day | May 31, 2027 (Mon) | No School |
| Juneteenth (observed) | June 18, 2027 (Fri) | No School |
| Last Day of School (est.) | June 25, 2027 (Fri) | School Closes |
Complete month-by-month calendar from September 2026 to June 2027. Every day is color-coded so you can see school days, holidays, and breaks at a glance.
The Sachem Central School District 2026-2027 school year is projected to run from September 3, 2026 to June 25, 2027. As Long Island's largest district with approximately 14,000 students across 18 schools, Sachem's calendar is closely watched by families throughout Suffolk County. The official 2026-2027 calendar has not yet been released — based on the board's first reading on March 18, 2026, approval is expected in April 2026.
Based on historical Sachem patterns and the 2026-2027 federal holiday calendar, families can expect the standard Suffolk County break schedule: winter recess around December 24 – January 1, a full-week mid-winter recess in February (likely February 15–19), and a spring recess in late March or early April. Whether Sachem will again feature its characteristically long 7-day spring break (as in 2025-2026) or return to a standard 5-day break remains to be seen.
One key question for 2026-2027 is whether Sachem will expand its "Day of Holy Obligation" policy or potentially convert Eid al-Fitr into a full school closure, as several nearby districts have done. In 2025-2026, the district kept schools open for Eid but prohibited tests — watch for any policy changes in the official calendar release.
Sachem typically observes both days of Rosh Hashanah and Yom Kippur. For 2026-2027, Yom Kippur falls on September 21 and Rosh Hashanah is expected to be observed on October 2-3 (note: the 2026-2027 Jewish holidays shift compared to 2025-2026). The district's two comprehensive high schools (Sachem East and Sachem North) will follow the standard NY State Regents Exam schedule.
Parents with children in neighboring districts like Commack, Smithtown, or Half Hollow Hills should note that while most Suffolk districts share the same major break windows, the exact start/end dates and number of snow days built in can vary. Sachem typically uses 2-4 snow days per year.
For easy reference, use the button at the top of this page to download a free, color-coded printable Sachem school calendar for your fridge or classroom. This page will be updated once the official calendar is approved.
The first day is projected to be Thursday, September 3, 2026. The official calendar has not yet been released.
Winter Recess is projected to run from December 24, 2026 through January 1, 2027.
Spring Recess is projected for around March 26 – April 2, 2027. Whether it will be the standard 5 days or Sachem's characteristically longer 7-day break is not yet confirmed.
The last day is projected to be Friday, June 25, 2027.
November 25 is projected to be a half day. Schools are expected to be closed November 26–27 for Thanksgiving.
The board conducted its first reading of the 2026-2027 calendar on March 18, 2026. Official approval is expected in April 2026. This page will be updated when the official calendar is published.
The 2025-2026 calendar featured a notably long 7-school-day spring recess. Whether this will continue in 2026-2027 or return to a standard 5-day break has not yet been confirmed.
In 2025-2026, Sachem kept schools open for Eid al-Fitr but banned tests and major assignments. Whether this policy will change for 2026-2027 — potentially becoming a full closure like some neighboring districts — will be confirmed in the official calendar.
Data Source: This calendar is based on projected dates derived from historical Sachem Central School District scheduling patterns.
Disclaimer: This website is not affiliated with, endorsed by, or connected to Sachem Central School District or the New York State Education Department (NYSED). For the most current and official calendar, please visit www.sachem.edu.
Dates are subject to change. Religious holiday dates are approximate and based on projected lunar calendar calculations.
Last updated: March 29, 2026