Formative assessment is an important tool teachers can use to target students’ learning needs. When teachers know what students know (or don’t know), they can better adjust their teaching to meet the kids right at their level. The increase in BYOD and 1-to-1 programs, the edtech market is abuzz with student response tools, online collaboration platforms, and other resources that gauge student understanding and foster collaboration. There are many to choose from — but which is the best for your context? Check out the list of formative assessment tools compiled by Common Sense Media.