Lexia programs are proven to improve learning outcomes required by ESSA federal mandates. Lexia has over 20 externally reviewed research studies that meet the standards of evidence under ESSA.
Strong evidence is defined as well-designed, well-implemented experimental studies that include randomly assigned treatment and control groups to eliminate selection biases.
Lexia Programs Benefits Reading Skills in Kindergartners
Kindergarten classes were randomly assigned to a Lexia group or control group. Lexia users outperformed controls on a standardized reading test.
Lexia Programs Benefit English Learners in Kindergarten
Classes of Emergent Bilingual students in kindergarten were randomly assigned to a Lexia group or a control group. Lexia users outgained controls on a standardized reading test.
Moderate evidence is defined as well-designed, well-implemented quasi-experimental studies with treatment and control groups that may not be randomly assigned.
Core5 Benefits Students in Kindergarten and First Grade
Core5 students outperform controls on a standardized reading test. Benefits were most pronounced for low performers.
Lexia Programs Benefit Young Students Eligible for Reading Intervention.
Students eligible for reading intervention who used Lexia programs showed significantly greater gains on a reading test than controls.
Promising studies include correlational evidence that the program has an impact. These studies may not include a control group, but selection effects are addressed statistically.
Core5 Progress Predicts Reading Gains on a Standardized Test
Students in grades K - 5 who made the most progress in Core5 showed the largest gains on a standardized reading test.
Teacher Engagement Benefits Student Progress in Core5
This national study demonstrated that teacher engagement has a positive impact on student progress in Core5.
Struggling and non-proficient readers who used PowerUp significantly outperformed controls on a standardized reading test.See the full Strong rating