Purpose: The present study investigated the characteristics of phonological information processing as manifested in the writing of dictated syntagmas, capable of indicating possible correlations and the predictive impact between the analyzed orthography errors (coding of voiced and voiceless phonemes, undue segmentation and word junction) according to the school system. Methods: Eighty children from both genders, aged between 6 and 11 years, were selected from those regularly enrolled between the 2 nd and 5 th years of primary education, in both public and private schools in the