Students with attention deficit/hyperactivity disorder (ADHD) often struggle with spelling. Research shows this population benefits from self-management interventions, structured practice opportunities, and immediate feedback--all components of the copy-cover-compare strategy. This empirical investigation used a multiple-baseline experimental design to determine the effects of the copy-cover-compare strategy on acquisition, generalization, and maintenance of spelling words for four students with ADHD in Grades 1 through 3. Results showed a functional relation between copy-cover-compare and mastery, maintenance, and generalization of three sets of spelling words for each student. Limitations, implications for practice, and suggestions for future research are discussed. (Contains 2 tables and 4 figures.)