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NYC 2026-27 school-year weeks
First day for students: Sept 10, 2026. Last day: June 28, 2027. Calendar weeks with student days, as used to build every subject plan: 36 teaching weeks plus flex days. Data from calweeks.json and the flex notes in the curriculum build (NYC Public Schools 2026-2027 calendar, source 13).
| Cal. week | Student days | Days | Plan | Flex note |
|---|---|---|---|---|
| 1 | Sep 10 – Sep 11 | 2 | Teaching week 1 | |
| 2 | Sep 14 – Sep 18 | 5 | Teaching week 2 | |
| 3 | Sep 22 – Sep 25 | 4 | Teaching week 3 | |
| 4 | Sep 28 – Oct 2 | 5 | Teaching week 4 | |
| 5 | Oct 5 – Oct 9 | 5 | Teaching week 5 | |
| 6 | Oct 13 – Oct 16 | 4 | Teaching week 6 | |
| 7 | Oct 19 – Oct 23 | 5 | Teaching week 7 | |
| 8 | Oct 26 – Oct 30 | 5 | Teaching week 8 | |
| 9 | Nov 2 – Nov 6 | 5 | Teaching week 9 | |
| 10 | Nov 9 – Nov 13 | 4 | Teaching week 10 | |
| 11 | Nov 16 – Nov 20 | 5 | Teaching week 11 | |
| 12 | Nov 23 – Nov 25 | 3 | Teaching week 12 | |
| 13 | Nov 30 – Dec 4 | 5 | Teaching week 13 | |
| 14 | Dec 7 – Dec 11 | 5 | Teaching week 14 | |
| 15 | Dec 14 – Dec 18 | 5 | Teaching week 15 | |
| 16 | Dec 21 – Dec 23 | 3 | Flex | Flex week before Winter Recess (Dec 21-23): review, reread favorite books, catch up on any unit work |
| 17 | Jan 4 – Jan 8 | 5 | Teaching week 16 | |
| 18 | Jan 11 – Jan 15 | 5 | Teaching week 17 | |
| 19 | Jan 19 – Jan 22 | 4 | Teaching week 18 | |
| 20 | Jan 25 – Jan 29 | 5 | Teaching week 19 | |
| 21 | Feb 1 – Feb 5 | 5 | Teaching week 20 | |
| 22 | Feb 8 – Feb 12 | 5 | Teaching week 21 | |
| 23 | Feb 22 – Feb 26 | 5 | Teaching week 22 | |
| 24 | Mar 1 – Mar 5 | 5 | Teaching week 23 | |
| 25 | Mar 8 – Mar 12 | 4 | Teaching week 24 | |
| 26 | Mar 15 – Mar 19 | 5 | Teaching week 25 | |
| 27 | Mar 22 – Mar 25 | 4 | Teaching week 26 | |
| 28 | Mar 29 – Apr 2 | 5 | Teaching week 27 | |
| 29 | Apr 5 – Apr 9 | 5 | Teaching week 28 | |
| 30 | Apr 12 – Apr 16 | 5 | Teaching week 29 | |
| 31 | Apr 19 – Apr 21 | 3 | Flex | Flex days before Spring Recess (Apr 19-21): review and reread |
| 32 | May 3 – May 7 | 5 | Teaching week 30 | |
| 33 | May 10 – May 14 | 5 | Teaching week 31 | |
| 34 | May 18 – May 21 | 4 | Teaching week 32 | |
| 35 | May 24 – May 28 | 5 | Teaching week 33 | |
| 36 | Jun 1 – Jun 4 | 4 | Teaching week 34 | |
| 37 | Jun 7 – Jun 11 | 3 | Flex | Flex days (Jun 7, 9; Jun 8 and Jun 10 have no students): end-of-year benchmark make-ups |
| 38 | Jun 14 – Jun 18 | 5 | Teaching week 35 | |
| 39 | Jun 21 – Jun 25 | 5 | Teaching week 36 | |
| 40 | Jun 28 – Jun 28 | 1 | Flex | Last day (Jun 28): celebration |