Purpose: To investigate the clinical utility of the Children's Auditory Processing Performance Scale (CHAPPS; Smoski, Brunt, & Tannahill, 1992) to evaluate listening ability in 12-year-old children referred for auditory processing assessment. Method: This was a prospective case control study of 97 children (age range = 11;4 [years;months] to 12;7). Auditory processing disorder (APD) was diagnosed based on findings of deficits on at least 1 nonverbal test and on at least 2 tests of an auditory processing test battery. Clinically referred children were grouped as APD (n = 38) or non-APD (n = 20). Results: The study found that (a) the APD group performed lower than the non-APD group on the Quiet, Ideal, Memory (p less than 0.0001), and Attention (p less than 0.05) subscales of the CHAPPS; (b) the non-APD group performed lower than the group with normal hearing on the Noise, Multiple Inputs, and Attention subscales (p less than 0.0001); and (c) there were significant moderate-to-strong correlations (Spearman's rho greater than 0.04) between Dichotic Digits, Duration Pattern tests, and the CHAPPS Attention, Memory, and total scores. Conclusion: The CHAPPS may be a clinically useful tool to evaluate listening ability in 12-year-old children suspected of having APD. Restricting use of the CHAPPS to older children may help address its limitations as reported by other studies.