Host Families can also be requested to host underage students. These students must have a Guardian in Australia. It is a requirement of Australia Immigration that a Guardian is nominated for any student who is 17 years or younger and is applying for a student visa of 5 weeks or more. Guardians can be either the education provider or it can be a member of the Host Family household.

The Guardian cannot be the Guardian of mroe than one student at a time and being a Guardian implies in extra responsibilities and care of the student. Guardiasn are rewarded an extra fee for their responsibility.