Inner Sydney High, a deep dive: floor space per student, estimated.

This repository contains code, data we made, data from OpenStreetMap, and pictures from the sources below.

CODE
  The notebook and the Power BI project (its Power Query, DAX and report files) are licensed under the MIT licence
  (LICENSE).

DATA WE MADE
  data/site/, data/buildings/, data/planning/ and data/geometry/school_site.* are licensed under Creative Commons
  Attribution 4.0 International (LICENSE-DATA). Please credit: "Plotlay (getplotlay.com), from NSW Department of
  Education, NSW Spatial Services and OpenStreetMap data". Their sources' credits below also apply.

OPENSTREETMAP (ODbL 1.0, share-alike)
  The podium and heritage building outlines and the heritage buildings' storeys come from OpenStreetMap,
  © OpenStreetMap contributors, available under the Open Database Licence 1.0,
  https://opendatacommons.org/licenses/odbl/1-0/ . data/geometry/buildings.* is a derived database and is shared under
  the ODbL 1.0. Ways used: 1178119661 (the new building at ground level), 570103244, 570103245, 570103241, 570103246
  (the heritage buildings), retrieved 8 November 2026 through the Overpass API. Tags kept: building and building:levels.

UPSTREAM SOURCES

  Headcounts
    NSW Department of Education (Centre for Education Statistics and Evaluation), data.nsw.gov.au.
    NSW government school enrolments by head count, licensed under Creative Commons Attribution (CC BY).
    https://data.nsw.gov.au/data/dataset/nsw-education-nsw-government-school-enrolments-by-head-count
    Changes: school 8913 only, 2020 to 2025, one row per year.

  Cadastre and aerial imagery
    © State of New South Wales (Spatial Services, a business unit of the Department of Customer Service NSW).
    Licensed under Creative Commons Attribution 3.0 Australia (CC BY 3.0 AU), https://creativecommons.org/licenses/by/3.0/au/
    - NSW Cadastre: the site is the union of lots 1//DP797483, 1//DP797484 and 8//DP821649.
    - NSW Imagery: the tower's roof outline was drawn over it (capture 22 January 2021 at the school, NSW Imagery
      Dates); visuals/photos/site_2021.jpg and the hero map are crops of it, extracted 8 November 2026.

  School Infrastructure NSW
    Inner Sydney High School project page, information boards (December 2020) and welcome pack (January 2021).
    © State of New South Wales (Department of Education), CC BY 4.0, https://education.nsw.gov.au/rights-and-accountability/copyright
    Used for facts (storeys, the levels, the staged opening, the first term of the new building). No logos, photos or
    renders are used.

  NSW Planning Portal, State Significant Development SSD 7610, Inner Sydney High School
    https://www.planningportal.nsw.gov.au/major-projects/projects/inner-sydney-high-school
    Approved plans (28 February 2018): GFA area schedule rev C (sheet 20) and Section A rev D (sheet 30); the
    environmental assessment report and the development consent. Figures quoted with their source; the documents are
    not included and no licence to republish them is claimed.

PICTURES (visuals/photos/), each under its own licence, cropped to 4:3 and resized only
  - c. 1880 to 1890: Cleveland Street Public School from the street. Henry King, State Library of NSW, CC0 1.0 (https://creativecommons.org/publicdomain/zero/1.0/), https://commons.wikimedia.org/wiki/File:Cleveland_St_Public_School_ca_1880-1890.jpg
  - 28 July 2007: Cleveland Street High School, before the new school. J Bar, CC BY 2.5 (https://creativecommons.org/licenses/by/2.5/), https://commons.wikimedia.org/wiki/File:Cleveland_Street_High_School.JPG
  - December 2009: The heritage buildings from Cleveland Street. Adam.J.W.C., CC BY-SA 2.5 (https://creativecommons.org/licenses/by-sa/2.5/), https://commons.wikimedia.org/wiki/File:Cleveland_st_boys_high_sydney.jpg
  - 7 February 2012: The heritage buildings from the Cleveland and Chalmers corner. Maksym Kozlenko, CC BY-SA 3.0 (https://creativecommons.org/licenses/by-sa/3.0/), https://commons.wikimedia.org/wiki/File:Surry_Hills_NSW_2010,_Australia_-_panoramio_(8).jpg
  - 25 February 2020: A refurbished heritage doorway, the month Year 7 started; building works at the right edge. Sardaka, CC BY-SA 4.0 (https://creativecommons.org/licenses/by-sa/4.0/), https://commons.wikimedia.org/wiki/File:Cleveland_Street_High_School_007.jpg
  - 22 January 2021: From above: the tower finished, the park side still being landscaped. NSW Imagery, © Spatial Services, extracted 8 November 2026, CC BY 3.0 AU (https://creativecommons.org/licenses/by/3.0/au/), https://maps.six.nsw.gov.au/arcgis/rest/services/public/NSW_Imagery/MapServer
  The CC BY-SA pictures stay under their share-alike licences; they are not relicensed under CC BY 4.0.

POWER BI MAP CONTEXT
  The Shape Map in powerbi/ draws context round the buildings: NSW Cadastre lots (DCS Spatial Services, CC BY 3.0 AU)
  and suburb boundaries (Australian Bureau of Statistics, ASGS Edition 3, Suburbs and Localities 2021, CC BY 4.0),
  cut to the map frame, and the school site outline from data/geometry/school_site.geojson.


NOT INCLUDED
  No Google, Nearmap, Esri, Mapbox or Street View imagery was used. No LiDAR was used. The NSW historical aerial
  photos of 2004 and 2005 are not included (their licence is not stated). The NSW coat of arms and department logos
  are not used, and nothing here implies endorsement by the NSW Department of Education, School Infrastructure NSW,
  Spatial Services or the school.

THIRD-PARTY SOFTWARE
  The notebook uses pandas, GeoPandas, Shapely, pyproj and Matplotlib (installed from requirements.txt, each under its
  own licence). Fonts in the visuals: IBM Plex Sans, IBM Plex Sans Condensed and IBM Plex Mono, SIL Open Font License 1.1.
