Rapid Automatic Naming (RAN) is commonly thought of as one of the best predictors of reading achievement when compared to phonological awareness and letter name knowledge (Norton & Wolf, 2012). However, only one previous study has demonstrated significant growth following a RAN intervention (Vander Stappen & Reybroeck, 2018). This groundbreaking study allowed second grade participants from the general education population in The Netherlands. There is limited research on efficacious RAN interventions for struggling early elementary school readers. Thus, the objectives of this study were to determine if a RAN intervention could be successful at promoting rapid letter naming and word reading efficiency gains during a RAN intervention and to assess whether the intervention was more successful at improving these areas than was typical reading instruction. Five rising first through third grade participants received a RAN intervention while two rising second through third grades participants received their typical reading instruction during a five-week extended school year summer program. The intervention group received 15 hour-long sessions three times weekly. Two, two-tailed dependent samples t-tests were run and it was found that the intervention group achieved significant growth for word reading efficiency and approached significant growth for rapid letter naming. Due to challenges with participation and attrition due to the COVID-19 pandemic, the comparison group was too small to be statistically analyzed. However, it was noted that one participant maintained their rapid letter naming score on the Letter Names subtest but their word reading efficiency score decreased by 15 points on the Word Reading Fluency subtest. The other participant made great gains on Letter Names and their Word Reading Fluency score remained relatively constant. These results support those found by Vander Stappen & Reybroeck (2018) and provide further evidence that RAN skills may be malleable during the course of a RAN intervention. [The dissertation citations contained here are published with the permission of ProQuest LLC. Further reproduction is prohibited without permission. Copies of dissertations may be obtained by Telephone (800) 1-800-521-0600. Web page: http://www.proquest.com.bibliotheek.ehb.be/en-US/products/dissertations/individuals.shtml.]