We're about to have a renewed focus on data-driven instruction, particularly as it complements differentiation.
The video below has been made as a re-introduction to this topic.
It features a poem reminding us that we need to 'face up' to data because our classroom data has a 'face':
Do you look at data?
Does it speak to you?
Are there too many voices
all vying for you?
Across this whole school
do we know what to do?