In this study, the effect of Family Supported Pre-Reading Program developed for 6 year olds attending nursery school on children's reading success in the future was examined. In order to fulfill this aim, reading skills of 25 primary school first-grade pupils who participated Family Supported Pre-Reading Program were compared with another 25 primary school first grade pupils who attended nursery class. In the study, Basic Reading Writing Skills Scale, Reading Comprehension Scales, Mechanic Reading Skills Observation Form and Writing Skill Scales were used to determine pupils reading success at primary school. The scales were administrated to primary school first graders both in the middle of the first term (December) and in the middle of second term (April). As a result of the study, it was determined that children attending Family Supported Pre-Reading Program had higher reading success. (author abstract)