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Trusted Technology

Unparalled scale without compromising reliability, validity, or security

Actionable Reports

Relevant data delivered quickly to schools and homes

Constant Innovation

Industry-leading technology and machine-learning capabilities

Sound Psychometrics

Backed by research, our testing services integrate psychometrics with sampling and statistical expertise for valid, reliable test results year to year

Beyond Summative Tests

The same infrastructure and knowledge for building state tests is also applied to our ThroughYear, interim, and formative classroom tests

Served 30M Family Members
Generated 366M Interactions

Our Family Portal creates connections with families, students and teachers

Data from the 2024–2025 academic year

Our Offerings

  • Easy for
  • all schools
  • to administer

Summative, interim, and formative assessments for all students

Driving operational excellence for all your assessment needs

We offer a breadth of assessments in grades K-12 in subjects ranging from English language arts (ELA) and mathematics, to science, social studies, and end-of-course tests like Algebra and Chemistry.

Take a Student Practice Test

Write on with Cambi!

Let Write on with Cambi! help you improve your writing skills with CAI’s revolutionary formative writing product.

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ClearSight for Districts

Success made visible

Research-based assessments that provide data so you can make instructional decisions that directly impact student access.

Learn More about ClearSight

K–2 tests for all young learners

Providing early childhood tests using the same technology as our large-scale assessments

CAI offers a suite of K–2 assessments, including formative/diagnostic and comprehensive assessments and screeners. Try a practice test as a kindergartner, 1st grader or 2nd grader.

Take a K–2 Practice Test

ClearFrame API

Actionable Assessment Data

The ClearFrame™ API enables educators to provide a direct connection to third-party educational systems, delivering the actionable assessment data needed for enhanced student instruction and outcomes.

Learn More about our ClearFrame API

CAI in the News

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Assessment to Action: Redesigning Indiana’s State Assessments for Instructional Impact

September 24, 2025

News Release

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Cambium Receives Corporate Award from The Texas State Network of Assessment Professionals (TSNAP)

November 13, 2024

News Release

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Arkansas education board approves performance levels for new student assessment

October 10, 2024

Arkansas Advocate

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CAI Insights and Expertise

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Locating Optimal On-Track Cut Score in Through-Year-Assessment Designs using Receiver Operating Curves

September 17, 2025

White Papers

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Full vs Partial Blueprints in Through-Year Assessment Combined Scoring

September 17, 2025

White Papers

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Longitudinal Item Response Theory Models for Combined Overall Scoring

September 16, 2025

White Papers

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