When you're talking about constant improvement in terms of instructional quality. (laschoolreport.com)
Second, the comparatively steady gain in adjusted scores over the period provides evidence of improvements in instructional quality, independent of changes in the amount of time students were in class. (educationnext.org)
When asked what prevents them from focusing on instructional quality in their school, principals often have one answer: time. (blog.k-12leadership.org)