Background: Metacognition and working memory (WM) have been found associated with success in reading comprehension, but no studies have examined their combined effect on the training of reading comprehension. Another open question concerns the role of listening comprehension: In particular, it is not clear whether training to improve reading comprehension must necessarily be based on processing written material or whether, as suggested in a recent study by Clarke et al. (2010, "Psychol. Sci.", 21, 1106), a programme based on verbal language could also be effective. Aims: The study examined the feasibility of improving text comprehension in school children by comparing the efficacy of two training programmes, both involving metacognition and WM, but one based on listening comprehension, the other on reading comprehension. Participants: The study involved a sample of 159 pupils attending eight classes in the fourth and fifth grades (age range 9-11 years). Method: The listening and reading programmes focused on the same abilities/processes strictly related to text comprehension, and particularly metacognitive knowledge and control, WM (per se and in terms of integrating information in a text). The training programmes were implemented by school teachers as part of the class's normal school activities, under the supervision of experts. Their efficacy was compared with the results obtained in an active control group that completed standard text comprehension activities. Results: Our results showed that both the training programmes focusing on specific text comprehension skills were effective in improving the children's achievement, but training in reading comprehension generated greater gains than the listening comprehension programme. Conclusions: Our study suggests that activities focusing specifically on metacognition and WM could foster text comprehension, but the potential benefit is influenced by the training modality, that is, the Reading group obtained greater and longer-lasting improvements than the Active control or Listening groups.