"Low achievement" refers to a situation where someone does not perform well or succeed at a certain task or goal. It means having lower levels of accomplishment or success compared to others. Full definition
My colleagues and I examined whether children at risk of low achievement in the early grades would benefit from being exposed to high levels of observed instructional and emotional support from teachers. (educationnext.org)
He cited the use of indigenous languages for directional purposes only and the consistently low achievement levels of indigenous students as evidence for this claim. (gse.harvard.edu)
Students with risk factors for lower achievement, in particular, showed greater rates of growth in literacy and math skills, performing close to national averages on commonly used tests. (appletreeinstitute.org)