Comprehensive understanding: data and information must support an understanding of breadth, depth, level and scale of learning in a school and across different groups of learners.
Dylai'r dysgu proffesiynol ddiwallu anghenion aelodau unigol o’r staff a sicrhau bod gan yr holl staff yr wybodaeth, y sgiliau, yr agweddau a'r ddealltwriaeth sy’n ofynnol ar gyfer y swydd.