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Assess Language, Empower Learning

The Woodcock-Muñoz Language Survey® III (WMLS™ III) measures English and Spanish proficiency across listening, speaking, reading, and writing. With fast results and web-based scoring, WMLS III supports educators in making informed decisions about language dominance, academic readiness, and bilingual placement.

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K-12 Assessments

 
Our assessment portfolio provides educators with invaluable insights to inform personalized instruction, equitably place students and identify gaps in student potential and performance.
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Capture the Full Picture of Language Proficiency

Evaluate language proficiency across English and Spanish with research-backed accuracy—making it easier to distinguish between language differences and true learning needs.

  • Measure oral and written language proficiency across five language and five literacy clusters.

  • Support accurate differentiation between language disorders and language differences.

  • Guide appropriate placement, targeted intervention, and communication with families.



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Actionable Results for Educators and Families

Turn Assessment Insights into Meaningful Support with the Teacher and Parent Intervention System (TPIS). TPIS extends the impact of WMLS III evaluations by providing personalized, research-backed strategies aligned to each student’s language proficiency—supporting meaningful intervention in both classroom and home settings.

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Support Instruction with Targeted Insights

Explore the TPIS teacher report to get actionable strategies for classroom intervention and English learner support.

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Engage Families in Language Learning

See how TPIS parent reports provide simple, at-home activities to support language development and strengthen school-home collaboration.

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Choose the Right Language for Assessment—With Confidence

Language should never be a barrier to an accurate evaluation. WMLS III helps determine which language—English or Spanish—best reflects a student’s skills.

  • WMLS III helps determine if English or Spanish should be the primary language of assessment.

  • Measures Cognitive Academic Language Proficiency (CALP) across all domains.

  • Includes the Comparative Language Index (CLI) to identify language dominance and guide academic planning.

 

K-12 Assessments
CLINICAL Assessments
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