Observation data is the most underused data source in K-12, partly because no one has given teachers a system lightweight enough to use without disrupting instruction. Five symbols jotted during a 30-second circulation pass produces surprisingly rich data across a week. The seating chart grid is the key innovation: when symbols accumulate over 5-6 lessons, spatial patterns become visible that no other data format can show. A cluster of question marks in one corner may reveal a lighting problem, a seating issue, or students who feel isolated. Repeated off-task marks in one period but not another may reveal a pacing mismatch. The four pattern analysis questions direct teachers toward actionable interpretations. Data literacy lesson: observation captures the process of learning while tests only capture outcomes — this is the conceptual foundation of instructional coaching, made accessible to any teacher.

All subjects focus areas

Grade band: PK - Grade12

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