“…Our research has uncovered several different types of teaching-related side-hustle. One is a form of "moonlighting," where schools unofficially share teachers (Urwick & Kisa, 2011), but improves the living wages of teachers (Gyaviira, 2016). In most of the Western industrialised countries, moonlighting is a widespread phenomenon that has by and large gone unnoticed (Blair, 2018;Gilpin, 2020;Heineck, 2009).…”