This paper uses conversation analysis to document four types of repair practices used by specialist teachers who work with children with specific speech and language difficulties (SSLD). Repair practices with SSLD children have hitherto been largely unexplored and therefore the classroom offers a new context for researching their design and considering how they compare with non SSLD interactions. Repair trajectories are of interest because they are dialogic sites where the child's meaning is being negotiated and, therefore, where adults might create opportunities for language learning. The interactions take place during classroom activities, such as story writing, where teachers elicit children's ideas and orient, in various ways, to their lack of clarity. From a large dataset of 78 cases, significant patterns of teacher repair initiation emerged. Non-specific repair initiators (RIs), including open class RIs, are distinguished from specific RIs on the grounds that the former target the trouble source in a general way. In contrast, specific RIs, such as designedly incomplete utterances, pinpoint the location of the trouble whilst 'wh' questions target the nature of the trouble and are used to elicit further information. Offers of candidates, as a form of correction, provide new models of lexical or grammatical information but do not elicit repetition from the child. The study provides a clearer account of the work done by teacher feedback moves that initiate repair.