Definitions for "Achievement gap"
Significant differences in achievement for different groups of students. Kentucky schools are required to monitor scores for gaps in gender, race, poverty, special needs, and English proficiency and develop plans to eliminate those differences in achievement. Title I schools are held responsible for closing these gaps by the federal No Child Left Behind law.
Documented gap in test scores between students from various ethnic groups, i.e., Asian, white, African American and Latino.
an index of the difference in an educational indicator (such as an examination pass rate), between two groups (such as males and females)