In 2016, based on evidence of C3WP’s prior success in improving student achievement, NWP received a federal Investing in Innovation (i3) Scale-up grant to test C3WP in new contexts. As part of this grant, SRI International (SRI) conducted a 1-year random assignment evaluation of C3WP in grades 7–9 that found consistent program implementation and positive, statistically significant impacts on student writing achievement. The third evaluation of C3WP in secondary grades was released in 2021, and all three studies found positive and statistically significant effects on student achievement. The size, scale, rigor, and independence of these three studies provide a strong evidence base to support C3WP’s effectiveness in improving students’ secondary writing achievement at scale and in diverse contexts.
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Impact of the National Writing Project’s College-Ready Writers Program in high-need rural districts