Lexia’s learning programs don’t just promise improvement. With more than 20 peer-reviewed studies, our proven products meet Strong or Moderate ESSA standards—demonstrating measurable impact where it matters most: in classrooms, for all students.
Backed by 20+ peer-reviewed studies
Products meet ESSA Strong/Moderate standards
Scalable, equitable, and proven across diverse classrooms
Aligned to district accountability goals
Lexia® Core5® Reading is one of the most extensively researched literacy programs available, with 40+ studies throughout 10 years validating its impact on student achievement.
Trusted by educators of more than 3.7 million pre-K–5 students in 18,400+ schools, Core5 targets foundational literacy skills that prevent long-term learning setbacks.
Core5 students outperform comparison students on national norms, with effect sizes up to 0.53 and strong correlations (r = 0.44–0.67) with widely used assessments.
An independent RAND evaluation confirmed all student subgroups, including underserved populations, made significant gains compared to peers.
Lexia® PowerUp Literacy® accelerates learning for struggling secondary students, equipping educators to differentiate instruction and drive outcomes—even with limited time or resources.
Used by 970K+ students in 10,300 schools, PowerUp supports grade 6–12 learners who are behind in literacy, getting them back on track for college and career readiness.
With effect sizes up to 0.69, PowerUp delivers up to 5x the impact of typical interventions, even for English Language Learners, proving it works across diverse classrooms.
Strong test score correlations (r = 0.43–0.63) and consistent, replicable outcomes give educators the data and tools they need to personalize learning and demonstrate impact.
Lexia English Language Development™ helps K–6 English Learners build the language skills needed for academic success and reclassification, closing equity gaps early and effectively.
Used by 160,000+ students across 7,400 schools, Lexia English supports language development at scale, helping district leaders meet reclassification and equity goals.
With an effect size of 0.20 and gains of 20+ points on state tests when paired with Core5, Lexia English drives academic language acquisition and literacy outcomes.
Strong correlations with English proficiency assessments (r = 0.49–0.55) empower educators to monitor progress and tailor support to student needs.
Lexia® LETRS® Professional Learning bridges the gap between reading science and real-world instruction, empowering educators with the knowledge, tools, and confidence to transform student outcomes.
Trusted by 250,000+ educators nationwide, LETRS delivers in-depth professional learning that equips teachers with research-based reading strategies proven to work.
Teachers who complete LETRS not only gain instructional knowledge, but they also show measurable improvements in classroom practice using interventions like Core5.
Studies confirm that students of LETRS-trained teachers achieve higher reading scores, showing how investment in teacher learning leads to long-term literacy success.
Lexia Aspire® Professional Learning empowers upper-elementary and middle school educators with the science of reading knowledge and strategies they need to teach with confidence.
Aspire improves educator understanding of reading science while boosting instructional confidence, addressing gaps in both content and delivery.
Flexible, student-focused content helps teachers support literacy in ELA, science, and social studies, promoting cross-curricular reading success.
While ongoing evaluations are underway, Aspire is rooted in research-based practices and designed to provide coherent, scalable professional learning.
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