There is a journal called Action Research https://journals.sagepub.com/home/arj and another one called Language Teaching https://www.cambridge.org/core/journals/language-teaching
These and related journals. might be relevant? Best wishes for it.
I think this is wonderful and it can be a lesson for others who are engaged in teaching languages to non-native speakers. So I advise you to communicate some of the educatrional journals including the below
https://journals.sagepub.com/home/ltr=A journal of Language Teaching Research
https://academic.oup.com/eltj= ELT Journal is a quarterly publication for all those involved in English Language Teaching (ELT), whether as a second, additional, or foreign language, or as an international Lingua Franca