The Early Screening Inventory Third Edition (ESI™-3) is an individually administered screening instrument that helps identify children who may need special education services.

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.

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.