At the same time, however, troubling gaps in achievement persist, and we must accelerate the pace of improvement. (nystateofpolitics.com)
«We are seeing troubling gaps between the highest - and lowest - performing students. (hechingerreport.org)
«We are seeing troubling gaps between the highest - and Fourth - grade math scores for Texas students dropped three points compared to (texaslonestaronline.org)