Part1: Materials, 1. Introduction by Frank Giraldo and Xun Yan; 2. LAL training in Vietnam: A teacher-centred approach to resource development by Susan Sheehan and Thuy Thai; 3. Exploring the effect of embedding assessments into a professional development presentation as a means of improving language teachers’ assessment competency by Michelle L. Stabler-Havener; 4. Pre-service teachers’ language assessment literacy enhancement ? Towards pedagogies for LAL by Karin Vogt; Part2: Methods, 5. Is online language assessment training helpful to improve language assessment literacy? Views of Mexican young learner EFL teachers and training instructors by Elsa Fernanda Gonzalez and Ricardo de la Garza-Cano; 6. Put a little imagination in your collaboration: What can thought experiments do for language assessment literacy? by Newton Paulo Monteiro; 7. Investigating educator-participant interaction in a language assessment MOOC by Richard Spiby, Carolyn Westbrook, and Jordan Weide; Part3: Emerging Issues, 8. Who will teach the teacher educator? Findings and implications of an online workshop for fostering Brazilian teacher educators’ language assessment literacy by Isadora Moraes and Viviane Furtoso; 9. Learning about language assessment to teach young learners: The contribution of an online course by Gladys Quevedo-Camargo and Juliana Reichert Assuncao Tonelli; 10. Critical language assessment literacy (CLAL) of L2 teachers: Unpacking the impact of CLAL-focused teacher education by Zia Tajeddin and Mohsen Mahdavi; 11. Social justice in classroom assessment through teachers’ language assessment literacy by Frank Giraldo and Xun Yan; 12. Conclusions by Frank Giraldo and Xun Yan;