© 2025 Vista Higher Learning Reading and Writing Growth with Vista’s Engage 11 Initial Reading and Writing Levels At the start of the study, MLs in grades 9–12 demonstrated beginning English proficiency levels in both reading and writing. The average reading score was 186.24 and the average writing score was 205.97, which fall within the Basic range on the AZELLA scale. A score of 230 or higher is required for classification as Intermediate. Table 1 shows how many students participated at each grade level. Table 1 Grade Level Participation Most participants were ninth graders (54%), typical for newly identified high school MLs. Initial Reading and Writing Scores Table 2 summarizes baseline reading and writing performance before Engage instruction. Table 2 Baseline Reading and Writing (AZELLA Pre-Instruction Scores) Language Skill Area N Mean SD Reading 171 186.24 41.67 Writing 171 205.97 34.24 On average, students began in the Basic proficiency range, indicating a need for continued support in foundational reading and writing. Grade Level N 9 92 10 39 11 21 12 19 Total 171
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