A student Service Design project can have many different types of impact. Here a few:

• Contribution to the field: the project has helpedcreate a new method, question a way of working, helped other practitioners.
• Organisational impact: the project has helped an organisation start or make a meaningful change.
• Social impact: the project has helped do good for people, society, a community, etc.
• Environmental impact: the project has helped to do good for the planet or its non humaninhabitants
• Business impact: the project has helped an organization improve revenue or reduce cost
• Personal impact: the project has helped the student grow
• Career impact: the project has helped the student find his next job or better define his position in the job market. etc.
• etc.

For each of these types of impacts there are many ways to show evidence for it.