The present study aimed at developing preparatory school pupils' reading comprehension and self-efficacy through the use of interactive reading. Participants of the study were 60 third year Hassan Idrees preparatory school pupils at Fayoum governorate. They were randomly assigned to two groups: experimental (N=30) and control (N=30). The researcher prepared a reading test, a self-efficacy scale and a teacher′s guide. Having pre administered the reading test and the self-efficacy scale, the experimental group was taught using interactive reading whereas the control group received regular instruction. The same instruments were readministered at the end of the treatment. The results showed that the use of interactive reading proved to be effective in developing preparatory school pupils' reading comprehension skills and self-efficacy. It is recommended that interactive reading be used in EFL reading classes. Reading is one of the main language skills that should be learned and mastered because it helps students gain information and knowledge form written texts. Also, it helps them to widen their vocabulary and be familiar with common grammatical structures. Moreover, it enables them to develop some language elements such as culture and the ways of life of English speaking countries