Analysis of information sources in references of the Wikipedia article "Guildford Grammar School" in English language version.
The Preparatory House for the Guildford Grammar School boys, takes between 6 and 14 years of age
The Ledger name was well-known in Perth, the family having run a foundry that provided much of the raw material for the famous Perth to Kalgoorlie Pipeline ... The Sir Frank Ledger Charitable Trust, named after Heath's great-grandfather, was renowned for granting funds to the area's universities, paying for visiting lecturers and scholarships for gifted students.
The Ledger name was well-known in Perth, the family having run a foundry that provided much of the raw material for the famous Perth to Kalgoorlie Pipeline ... The Sir Frank Ledger Charitable Trust, named after Heath's great-grandfather, was renowned for granting funds to the area's universities, paying for visiting lecturers and scholarships for gifted students.