It similarly extends the mandate for statewide tests in science at least once in grade spans 3 — 5, 6 — 9, and 10 — 12. (ascd.org)
In the three - group structure, clusters also differ on the number of student support staff, while in the five - group structure, they differ on grade span. (educationnext.org)
These groups vary statistically in the number of sports offered and student support staff, and also grade span. (educationnext.org)