This ledger was kept by the Head of House. It contains the names of the previous Heads of Houses and notes on them. Also recorded in the ledger are the Rules and Customs of Grant's House, which successive Heads have altered over the years, and details of 'The Grantite', the House magazine. Recorded in the Ledger are events relating to the House and school which the Heads of House thought interesting or noteworthy and include sporting achievements (including summaries of various inter-house matches), details of the debating and literary societies, as well as plays performed by the boys at the House. Towards the end of the volume is a list of Grantites who entered the military, some of whom fought in WWI. There is also a list of Grantites killed in WWI.