Shaywitz DyslexiaScreen™ is an efficient, reliable, and user-friendly dyslexia test for K‐3 students who may be at risk for reading difficulties.

Test of Early Written Language | Third Edition (TEWL-3) assesses basic, contextual, and overall writing skills.

Test of English Language Learning (TELL™) is a touch-screen delivered language proficiency assessment that can be used to screen, diagnose, and progress monitor English language learners in grades K–12.

Test of Word Reading Efficiency Second Edition is a measure of an individual’s ability to pronounce printed words and phonemically regular nonwords accurately and fluently.

Test of Written Language | Fourth Edition (TOWL-4 ) is a norm-referenced, comprehensive diagnostic test of written expression.

The Oral Language Acquisition Inventory Second Edition (OLAI-2) continues the OLAI tradition of using quick and simple criterion-referenced assessment tasks to evaluate language and learning behaviors in order to drive effective instruction and/or intervention.

The WRAT-Expanded is a comprehensive battery of norm-referenced achievement tests designed to assess the core domains of reading and mathematics.

Wechsler Individual Achievement Test® | Fourth Edition (WIAT-4) is an individually administered achievement test for use in a variety of clinical, education, and research settings.

WIAT-4 Dyslexia Index Scores are brief, individually-administered, performance-based screening tools that provide risk assessment, strength of risk, and interpretive information for team and parent/caregiver communication regarding individuals who may have dyslexia.

Wechsler Individual Achievement Test® | Third Edition (WIAT®-III) is an individually administered achievement test for use in a variety of clinical, educational, and research settings.

WIAT-III Dyslexia Index Scores are brief, individually-administered, performance-based screening tools that provide risk assessment, strength of risk, and interpretive information for team and parent/caregiver communication regarding individuals who may have dyslexia.

The Wide Range Achievement Test Fifth Edition (WRAT5™) provides an accurate and easy-to-administer way to assess and monitor the reading, spelling, and math skills, and helps identify possible learning disabilities.

The Wide Range Achievement Test 4 (WRAT4) is an academic skills assessment which measures reading skills, math skills, spelling, and comprehension.

Woodcock Reading Mastery Tests Revised-Normative Update is an individual assessment of reading skills for children and adults. WRMT™-R/NU provides expanded interpretive system and age range, simpler testing/retesting, and a more comprehensive combined assessment option.

Woodcock Reading Mastery Tests Third Edition (WRMTTM-III) retains the format and structure of its predecessor while expanding the test’s range to offer you even more diagnostic capability.

WriteToLearn™ is a fully automated online literacy tool that assesses writing and delivers targeted instructional feedback.