Assessment tools enable both learning and assessing. They also give library media specialists snapshots of evidence that demonstrates student understanding of the Information Literacy Standards. Over time the evidence provide a more complete picture of learners' ability to gather, evaluate, and use information to solve problems, make decisions, and think critically. Tools can include logs, checklists, rating scales, organizers, matrices, concept maps, brainstorming webs, and rubrics. This article presents brief descriptions of these assessment tools. (Contains 7 figures, 14 resources, and 7 online resources.)