The Classroom Assessment Scoring System™ (CLASS™) is an observational instrument developed at the Curry School Center for Advanced Study of Teaching and Learning to assess classroom quality in PK-12 classrooms.Click to see full answer. Simply so, what does class mean in education?A class in education has a variety of related meanings. It can be the group of students which attends a specific course or lesson at a university, school, or other educational institution, see Form (education). It can refer to a course itself, for example, a class in Shakespearean drama.Subsequently, question is, what does best stand for in education? BEST. Better Education for Students and Teachers. Academic & Science » Students. Considering this, what is the full meaning of class? CLASS – Computer Literacy and Studies in Schools. CLASS – Computer Literacy and Studies in School.What does ATL stand for in education? Attitudes toward Learning