Settings which engage fathers in specific support to children with low levels of attainment have seen substantive improvements in children's learning. (fatherhoodinstitute.org)
The idea is that if these six schools can show substantive improvement over the next several years, the rest of the city's struggling Catholic schools could follow. (politico.com)
Test - driven, measurable improvement — some caveats notwithstanding — is in fact almost always substantive improvement. (ascd.org)