Beginning in 2008, RTI and the Liberian Education Trust developed and introduced interventions to improve early grade reading achievement that included teaching and learning materials, teacher training and support, classroom-based assessment, and strategies to improve time on task. The evidence-based approach was tested in grades 2 and 3, and evaluated under a rigorously designed randomized controlled trial (RCT). After 18 months, students in the "full" treatment group outperformed their peers in all reading skills, nearly tripling the gains made by the control group in oral reading fluency and reading comprehension. The full treatment group improved in reading fluency four-and-a-half times faster and in reading comprehension five times faster than the control group, accelerating children's learning at the equivalent of three years of school in one year. The program is expanding to 1,600 schools under the USAID-supported Liberia Teacher Training Program.
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