No Child Left Behind Improvement Act of 2005 - Amends the Elementary and Secondary Education Act of 1965, as amended by the No Child Left Behind Act of 2001, to revise accountability requirements of title I part A assistance for basic programs operated by local educational agencies to improve the academic achievement of the disadvantaged.
Revises such requirements relating to: (1) qualifications of middle school teachers and of special education and corrections education teachers; (2) adequate yearly progress (AYP) standards for students with disabilities and for students with limited English proficiency; (3) longitudinal measurement of AYP; and (4) percentage of students taking assessments.