The Chartered College of Teaching's magazine: Impact has reached Issue 4, and this one is on the theme of Curriculum. There are articles on a number of Curriculum-related issues, with an introduction from Michael Young.
Most of the journal is available free online from this link.
It is worth reading Christine Counsell's article which explores different types of knowledge, but there is much to take from many of the contributions.
There is also an article in this issue by Tessa Willy (who I manned a Geographical Association stall at the BETT conference with many moons ago...) and the awesome Professor Simon Catling.
Grace Healy, who is now the Geography Specialist at the Inspiration Trust (close to me in Norwich) has also added an article on the importance of the Geography curriculum to her blog here, which is well worth reading...