The current study aims to find out the impact of the Response to Intervention (RTI) strategy on improving reading comprehension skills of Iraqi primary school pupils learning English as a foreign language. Recognizing the critical role of reading comprehension in language acquisition, the study is based on two hypotheses: There is no statistically significant difference between the mean scores of the experimental group taught using the Response to Intervention strategy and the control group taught using the prescribed method in the posttest. There is no statistically significant difference between the mean scores of the experimental group in the pretest and posttest. To achieve the aim of this study and verify its hypotheses, a non-randomized experimental group pretest-posttest group design has been chosen. The pupils have been taught during the academic year 2024-2025 in English subject. The sample comprises 68 sixth-grade pupils selected from Al-Khansaa'1st School for Girls in Tikrit City. The experimental group, consisting of 34 pupils, was taught using the Response to Intervention strategy, while the control group, also consisting of 34 pupils, received instruction through the prescribed traditional method. A posttest contains six questions, which are constructed to collect data. Face and content validity have been achieved. The reliability coefficient has been verified, and the researcher herself teaches both groups. The data collected from the posttest results have been analyzed statistically by using a t-test to measure the pupils' performance. The results show that there is a statistically significant difference between the mean scores of the experimental group and control group in posttest. Moreover, there is a statistically significant difference between the mean score of the experimental group in pre and posttest. which indicates that Response to Intervention strategy is more effective than the prescribed method. The study ends with recommendations and suggestions for further studies based on the obtained results.