Firefly needs a modern browser, so you may notice things look broken right now.
To get a better experience, try one of the supported browsers listed here.
Interventiions
https://sghs.fireflycloud.net/cpd/arbor-training/secondary-schools/secondary-senco/interventions
Creating and using custom groups
https://sghs.fireflycloud.net/cpd/arbor-training/secondary-schools/secondary-senco/custom-groups