Back-to-school first-day calendar 2026-27 (US top-20 districts + Canada's largest boards)
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First day of school 2026-27 for the 20 largest US public school districts + 4 largest Canadian public boards, verified against district-published / board-approved calendars (provenance per row). 28-day BTS shopping window, season phase (upcoming/in_window/in_session), documented 0-100 shopping-intensity index, post-Labor-Day flag. Join on date + metro to orders or customers for back-to-school demand timing. School first-day dates are facts (Feist v. Rural) -> commercial_use=yes with attribution.
- Rows
- 24
- Columns
- 18
- Source cadence
- Yearly
- Last refreshed
- Oct 1, 2026
- Theme
- economy
| Column | Type | Description |
|---|---|---|
| date | date | Snapshot date (ISO YYYY-MM-DD); one panel per snapshot. |
| district | string | School district / board name. |
| school_year | string | School year covered ('2026-27'). |
| first_day | date | First day of school for all students (ISO date). |
| first_day_weekday | string | Weekday of the first day. |
| metro | string | Metro area of the district. |
| metro_state_prov | string | State (US) or province (CA) code. |
| country_code | string | ISO alpha-3 country code (USA/CAN). |
| bts_window_start | date | Start of the 28-day BTS shopping window (first_day - 28d). |
| bts_window_end | date | End of the BTS shopping window (= first_day). |
| days_to_first_day | integer | Signed days from snapshot date to first_day. |
| season_phase | string | 'upcoming' (>28d out), 'in_window' (0-28d out), 'in_session' (started). |
| shopping_intensity_index | integer | 0-100 BTS demand-timing curve of days_to_first_day d: 0 for d>28; 30+1.5*(28-d) for 14<d<=28; 51+3.5*(14-d) for 0<=d<=14; 100+7*d for -14<=d<0; 0 for d<-14. Documented heuristic, not a measured lift. |
| starts_after_labor_day | boolean | True if first_day is after US Labor Day 2026-09-07. |
| source_url | string | Primary verification source URL. |
| sources_seen | integer | Number of independent sources agreeing on the date. |
| verification_note | string | How the date was verified. |
| row_hash | string | md5(date|district|first_day|shopping_intensity_index|season_phase)[:16]. |
First 10 sample rows — a preview, not the complete dataset.
| date | district | school_year | first_day | first_day_weekday | metro | metro_state_prov | country_code | bts_window_start | bts_window_end | days_to_first_day | season_phase | shopping_intensity_index | starts_after_labor_day | source_url | sources_seen | verification_note | row_hash |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-10-01 | Broward County Public Schools | 2026-27 | 2026-08-10 | Monday | Fort Lauderdale | FL | USA | 2026-07-13 | 2026-08-10 | -52 | in_session | 0 | false | https://www.pembrokepinesflnews.com/news/local/article313895040.html | 6 | board-approved 2025-12-18 (Miami Herald family); schoolstartdates; calendarstates; schoolcalendarinfo; myluanahome (checked vs official); schooldistrictcalendar agree | a8ab9b7b226e4bb4 |
| 2026-10-01 | Calgary Board of Education | 2026-27 | 2026-08-31 | Monday | Calgary | AB | CAN | 2026-08-03 | 2026-08-31 | -31 | in_session | 0 | false | https://cbe.ab.ca/news-centre/Pages/2026-2027-instructional-calendar-available.aspx | 3 | official CBE news: "first day of school for students is Monday, Aug. 31, 2026"; official 2026-27 instructional calendar PDF; CTV first-day coverage agree | a860963da9a72c04 |
| 2026-10-01 | Charlotte-Mecklenburg Schools | 2026-27 | 2026-08-25 | Tuesday | Charlotte | NC | USA | 2026-07-28 | 2026-08-25 | -37 | in_session | 0 | false | https://www.cmsk12.org/post-details/~board/academic-excellence/post/charlotte-mecklenburg-schools-closes-busy-first-week-of-school | 7 | CMS official district post; ednc; schoolcalendarinfo; grabschoolcalendar; calendarstates x2; newschoolcalendar agree | c3ad75399a3d1810 |
| 2026-10-01 | Chicago Public Schools | 2026-27 | 2026-08-24 | Monday | Chicago | IL | USA | 2026-07-27 | 2026-08-24 | -38 | in_session | 0 | false | https://www.chalkbeat.org/chicago/2026/02/26/cps-school-board-adopts-new-school-calendars/ | 4 | board-adopted 2026-02-26; lawndalenews; mommypoppins; chicagoparent agree | d759912a8ed7f2ec |
| 2026-10-01 | Clark County School District | 2026-27 | 2026-08-10 | Monday | Las Vegas | NV | USA | 2026-07-13 | 2026-08-10 | -52 | in_session | 0 | false | https://gray-kvvu-prod.gtv-cdn.com/2026/07/09/clark-county-2026-27-school-year-ccsd-registration-open-new-start-times-begin-aug-10/ | 5 | FOX5 x3; Review-Journal; 107.9 VGS agree | 1a5325dc8de8d882 |
| 2026-10-01 | Cypress-Fairbanks Independent School District | 2026-27 | 2026-08-12 | Wednesday | Houston | TX | USA | 2026-07-15 | 2026-08-12 | -50 | in_session | 0 | false | https://gmg-kprc-prod.cdn.arcpublishing.com/news/local/2026/08/07/when-does-school-start-heres-when-houston-area-districts-return-for-the-2026-27-school-year/?ref=%2Ftopic%2FSpring%2F | 4 | KPRC Houston-area roundup; texasschools.us calendar PDF (Aug 12 first day); schoolcalendarinfo; schoolcalendarpoint agree | 1ef633b03e66f243 |
| 2026-10-01 | Dallas Independent School District | 2026-27 | 2026-08-11 | Tuesday | Dallas | TX | USA | 2026-07-14 | 2026-08-11 | -51 | in_session | 0 | false | https://resources.finalsite.net/images/v1781024680/dallasisdorg/gujbdfv7mcxncagtw6bi/2026-2027-District-Calendar.pdf | 3 | official Dallas ISD district calendar PDF: first day of class Aug 11; D Magazine; schoolcalendarinfo (ADSY subset schools start Jul 28, excluded) | d49d3d38942c658d |
| 2026-10-01 | Duval County Public Schools | 2026-27 | 2026-08-10 | Monday | Jacksonville | FL | USA | 2026-07-13 | 2026-08-10 | -52 | in_session | 0 | false | https://cmg-cmg-tv-10050-prod.cdn.arcpublishing.com/news/local/duval-county-school-board-approves-2026-27-calendar-update-adds-full-week-off-thanksgiving/UPVMVXV3YJA6LDGACCNGVDCGGU/ | 7 | board-approved (Action News Jax); auschoolcalendar; schooldistrictcalendar; calendarstates (from official pubs); newschoolcalendar; schoolcalendarinfo; frschoolcalendar agree | 84c2f097de69c6df |
| 2026-10-01 | Fairfax County Public Schools | 2026-27 | 2026-08-24 | Monday | Washington | VA | USA | 2026-07-27 | 2026-08-24 | -38 | in_session | 0 | false | https://www.thethinkacademy.com/blog/fairfax-county-public-schools-back-to-school-guide-2026-27-calendar-dates-more/ | 5 | board-approved April 8-4 vote; schoolcalendarinfo, schoolcalendarpoint, newschoolcalendar, ffxnow confirm Aug 24 start | 0e872faecb3ec99c |
| 2026-10-01 | Gwinnett County Public Schools | 2026-27 | 2026-08-05 | Wednesday | Atlanta | GA | USA | 2026-07-08 | 2026-08-05 | -57 | in_session | 0 | false | https://www.gcpsk12.org/families/back-to-school-guide/2026-27-open-house | 8 | GCPS official (open house page); acadcalendar; myluanahome (checked vs official); calendarstates; schoolcalendarinfo; newschoolcalendar; schooldistrictcalendar agree | 2fde701d40f27dd9 |
- Current
20261001T091215Z-f2b82c2a1003 · sha256 f2b82c2a1003…
24 rows · first snapshot
Point any LLM at the metadata endpoint — the documentation above is machine-readable too (JSON-LD + Croissant).
cURL
curl "https://datazimuts.com/v1/datasets/bts_school_start_intel/bts_school_start_2026_27" | jq '{title, rows, columns_count, license}'Python
import requests
ds = requests.get("https://datazimuts.com/v1/datasets/bts_school_start_intel/bts_school_start_2026_27").json()
print(ds["title"], ds["rows"], "rows")
# Sample rows for an LLM context window
for row in ds.get("sample_rows", [])[:5]:
print(row)API endpoint: https://datazimuts.com/v1/datasets/bts_school_start_intel/bts_school_start_2026_27
Tip: fetch /llms.txt for the full machine-readable catalog.
Where this data comes from and what was made from it. Other people's work shows as counts; only shared projects are named.
Cite this snapshot
Pinned to snapshot 20261001T091215Z-f2b82c2a1003 and its content hash, so readers get exactly the data you used.
APA
Back-to-school first-day calendar 2026-27 (US + Canada). (2026). Back-to-school first-day calendar 2026-27 (US top-20 districts + Canada's largest boards) [Data set, snapshot 20261001T091215Z-f2b82c2a1003, sha256 f2b82c2a1003]. Datazimuts. Retrieved 2026-10-01, from https://datazimuts.com/en/datasets/bts_school_start_intel/bts_school_start_2026_27?snapshot=20261001T091215Z-f2b82c2a1003
BibTeX
@misc{dz_bts_school_start_intel_bts_school_start__f2b82c2a,
title = {{Back-to-school first-day calendar 2026-27 (US top-20 districts + Canada's largest boards)}},
author = {{Back-to-school first-day calendar 2026-27 (US + Canada)}},
year = {2026},
publisher = {Datazimuts},
howpublished = {\url{https://datazimuts.com/en/datasets/bts_school_start_intel/bts_school_start_2026_27?snapshot=20261001T091215Z-f2b82c2a1003}},
note = {Snapshot 20261001T091215Z-f2b82c2a1003, sha256 f2b82c2a1003ec7745818d3dfa1d6c5025686f42a92707ce4c651f3753c45a50; accessed 2026-10-01}
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<iframe src="https://datazimuts.com/embed/chart?dataset=bts_school_start_intel%2Fbts_school_start_2026_27&lang=en&theme=auto&snapshot=20261001T091215Z-f2b82c2a1003&x=date&y=days_to_first_day&agg=avg" title="Back-to-school first-day calendar 2026-27 (US top-20 districts + Canada's largest boards)" width="100%" height="380" style="border:0" loading="lazy"></iframe>
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