We recommend freely available courses

Course is designed for new coordinators of special educational needs, new teachers and teacher's assistants.

https://www.ucl.ac.uk/short-courses/search-courses/special-educational-needs-and-disability-send-developing-quality-inclusive-practice

Intercultural competency in education 

https://www.edx.org/course/intercultural-competency-in-education?index=product

A course based on the professional experience of local authority information, counselling and support service staff working to improve relationships with parents of children with special educational needs. It covers parents' needs, examines issues and recommends strategies for improving cooperation between parents, schools and local authorities.

https://www.senteachertraining.com/special-education-course.php