“…First, they require teacher commitment to social justice and a willingness to move from classical mathematical knowledge to critical approaches and to the development of learners' critical awareness of how to understand, analyse, and change social injustices through mathematics (Gutstein, 2003(Gutstein, , 2016Freire 1970). Simply put, teachers need to attend related programmes with an open mind and a positive predisposition towards tackling the sources of marginalisation (Bartell, 2013;Esmonde & Caswell, 2010;Meaney et al, 2009;Raygoza, 2016;Wright, 2016). Secondly, professional development programmes should provide a safe space for teachers to raise and share concerns with researchers and colleagues, and receive appropriate feedback/support from the group, which needs to work as a community of practice, sharing common visions (Gonzalez, 2009;Nicol et al, 2019;Planas & Civil, 2009).…”