# Cambium Assessment

> Cambium Assessment builds and operates K–12 assessment systems for U.S. states and school districts, combining test development, secure adaptive delivery, AI-assisted scoring, psychometrics, and reporting. A Cambium Learning Group business with roots in AIR Assessment, it reports testing 15.8 million students across 29 states and jurisdictions in 2025–26. Its ClearFrame API connects assessment results to instructional software.

- **Headquarters:** Arlington, United States
- **Products:** State assessment programs, Test Delivery System (TDS), TIDE, Psychometric services, ClearSight
- **Notable:** Company-reported 137.9 million online tests in 2025–26, including practice tests and guest users., Company-reported 15.8 million students across 29 states and jurisdictions in 2025–26., Company-reported 1.5 million simultaneous test takers in 2026.

## Products & services

- **State assessment programs** — Customized summative, interim, through-year, alternate, and English language proficiency assessments, including content development and program management.
- **Test Delivery System (TDS)** — Secure online delivery with adaptive testing, proctor tools, and accessibility supports.
- **TIDE** — Student and user registration and assessment administration management.
- **Psychometric services** — Blueprint design, item calibration, equating, linking, validation, and statistical research.
- **ClearSight** — District assessments, educator authoring, and dashboards for standards-based instructional decisions.
- **ClearFrame API** — Connects state assessment data with approved instructional vendors; Indiana pilot announced May 2025.
- **Write on with Cambi!** — Formative writing feedback developed by machine-learning scientists and assessment content specialists.
- **Hotline** — AI flags potentially concerning student text for human verification and possible intervention.
- **K–2 Assessment System** — Standards-based screeners, formative/diagnostic tests, and comprehensive early childhood assessments.
- **Centralized Reporting System and Family Portal** — Educator reporting and multilingual family access to assessment results.
- **ClearCourse** — Educator training courses integrated with single sign-on and TIDE.
- **Cambi for Educators** — Conversational AI interface for assessment data, student information, test creation, and resources; state-specific resource implementation described as coming soon.

## Achievements

- Company-reported 137.9 million online tests in 2025–26, including practice tests and guest users.
- Company-reported 15.8 million students across 29 states and jurisdictions in 2025–26.
- Company-reported 1.5 million simultaneous test takers in 2026.
- Grand-prize winner in the NAEP item-specific reading automated-scoring challenge; announced February 2022.
- ClearSight appears in iKeepSafe’s certification directory with FERPA, COPPA Safe Harbor, and California student privacy badges.

## Latest updates

- **2026-07** — Published Characteristics of Responses Routed for Human Scoring on July 26, examining hybrid scoring and linguistic and demographic differences.
- **2026-06** — Published a framework for evaluating whether through-year assessments support instruction on June 22.
- **—** — Balaji Kodeswaran named president in 2026, according to the current leadership biography; appointment month not specified.
- **—** — Current website reports 2025–26 testing totals of 137.9 million tests and 15.8 million students; reporting month unspecified.
- **2025-05** — Publications index announces the Indiana ILEARN ClearFrame pilot on May 28.

## Links

- Website: https://www.cambiumassessment.com/
- LinkedIn: https://www.linkedin.com/company/cambium-assessment

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Profile page: https://yespress.io/cambium-assessment
Published by YesPress — https://yespress.io
Last updated: 2026-10-16