TILLS®

Tool name
Test of Integrated Language and Literacy Skills™ (TILLS®)
Use to evaluate
Identify and diagnose language and literacy disorders—including dyslexia, document patterns of relative strengths and weaknesses, track changes in language and literacy skills over time
Age range
6:0 – 18:11
Completed by
TILLS can be administered by speech-language pathologists, special educators, reading specialists, learning disability specialists, neuropsychologists, educational psychologists, and other educational specialists trained in individualized test administration
Time commitment
You should be able to administer all 15 subtests in one 70- to 90-minute session or two 45-minute sessions. If shorter sessions are required, they should be completed in no more than 4 weeks
Are you ever frustrated by your assessment process?
Do you wish there was a better way to diagnose language and literacy disorders—including dyslexia?
Do you wish you had a better way to explain test results?
Then it’s time to discover the Test of Integrated Language and Literacy Skills™ (TILLS®), the groundbreaking assessment that tests oral and written language skills in students ages 6–18 years.
The TILLS Examiner’s Kit is the reliable, valid, and comprehensive test kit you need to:
- identify and diagnose language and literacy disorders, including dyslexia
- document patterns of relative strengths and weaknesses
- track changes in language and literacy skills over time
Now Available: Tele-TILLS
After a timely 2020 study supported the validity of administering TILLS virtually, the TILLS developers have made supplemental Tele-TILLS materials available to guide users who are supporting students in online settings. Existing TILLS users who own a copy of the standard TILLS Examiner’s Kit are eligible to purchase Tele-TILLS.
Through 15 subtests measuring key skills (see sidebar), you’ll assess and compare the full range of students’ oral and written language and literacy skills. The resulting scores and the clear, at-a-glance TILLS Profile help you identify and track a student’s strengths and weaknesses—information you’ll use as you develop custom-tailored interventions.
One test kit. That’s all you need to screen with the Student Language Scale, diagnose disorders, and monitor progress. Read on to learn more about how TILLS works, why it should be your test of choice, and how it helps you reach your ultimate goal: improving students’ communication skills so they can succeed in school.
Developers
What You'll Need

Includes
Examiner’s Manual
Stimulus Book
Technical Manual
Quick Start Guide
Examiner’s Practice Workbook
Examiner Record Forms
Student Response Forms
Student Language Scales (forms only, SLS Manual not included)
Digital Audio Files (on USB drive)
TILLS tote bag
Tele-TILLS Instructions
Additional products and resources
Free downloads
Free Webinars and Training
For more extensive information on TILLS and to view the FAQs, visit the website.