Check out the volume Restorative Approaches to Conflict in Schools: Interdisciplinary Perspectives on Whole School Approaches to Managing Relationships for helpful articles on restorative justice in educational settings. This is a collection of educators from around the world writing about their experiences and knowledge gained from implementing restorative justice in their contexts.
The book looks specifically at international contexts, outlines critiques and challenges of the restorative justice approach, and offers suggestions and case studies related to implementation.
Even if the whole school approach is not possible in your context, this book still has valuable insights for applying restorative justice in language program policy and procedures. Take a look!