“…Teachers' internal resourcesknowledge and skills-may support them to manage job demands (Boe, Shin, & Cook, 2007;Brownell et al, 2014;Ronfeldt, Schwartz, & Jacob, 2014). Measuring teachers' knowledge has proven challenging (Brownell et al, 2014), but qualifications (i.e., experience, certification) often serve as proxies for knowledge (Billingsley & Bettini, 2017). Scholars have found experience is resource that supports teachers to provide effective instruction (e.g., Henry, Bastian, & Fortner, 2011;Ladd & Sorenson, 2014) and, until they reach retirement, to continue teaching (e.g., Boyd et al, 2011;Connelly & Graham, 2009).…”