• ---. “Financing Energy Upgrades for K-12 School Districts”. Energy.Gov, 9 May 2014, https://www.energy.gov/eere/slsc/downloads/financing-energy-upgrades-k-12-school-districts.
• Corrado, Vincenzo, et al. “A New Procedure of Energy Audit and Cost Analysis for the Transformation of a School into a Nearly Zero-Energy Building”. Energy Procedia, vol. 140, Dec. 2017, pp. 325–38. DOI.org (Crossref), https://doi.org/10.1016/j.egypro.2017.11.146.
• Department of Economic and Social Affairs. SDG 7 Policy Briefs 2018: Affordable & Clean Energy. UNICEF, 2018, https://sdgs.un.org/publications/sdg-7-policy-briefs-2018-18099.
• ECO2SmartSchools. “About”. ECO2 Smart Schools, 22 Dec. 2021, https://eco2smartschools.org.uk/about/.
• European Commission. Energy@School: Guardians of ‘Smart Energy’ Schools-Projects. 10 July 2020, https://ec.europa.eu/regional_policy/en/projects/Austria/energy-school-guardians-of-smart-energy-schools.
• Generation180. Brighter Future 2020 Report: A Study on Solar in US Schools. Sept. 2020, https://generation180.org/brighter-future-2020-download/.
• Hughes, Mark, and Logan Chamberlain. “School Years around the World”. Infoplease, 9 Aug. 2021, https://www.infoplease.com/world/social-statistics/school-years-around-world.
• National Renewable Energy Laboratory (NREL). PVWatts Calculator: Solar Resource Calculator. https://pvwatts.nrel.gov/pvwatts.php. Accessed 22 Dec. 2021.
• US Department of Energy. Energy Savings Performance Contracting: A Primer for K-12 Schools. 3 May 2016, https://www.energy.gov/eere/slsc/downloads/energy-savings-performance-contracting-primer-k-12-schools.