NDC

National Deaf Center
on Postsecondary Outcomes

Do Deaf Students Really Need Extended Time on Tests?

Published on October 1, 2025

Hands of a person writing on a piece of paper using a pencil

This is one of the most frequent questions our help team receives: If we don’t give extended time to English language learners, why would we give it to deaf students?

The Key Distinction

While many deaf students use signed languages—sometimes as their primary language—their rights to accommodations are protected under the Americans with Disabilities Act (ADA) and Section 504. Their access needs are related to disability, not second-language acquisition. Applying English learner restrictions to deaf students overlooks this difference and can wrongly deny them accommodations they are legally entitled to.

Accommodations are not advantages—they level the playing field. Extended time simply ensures students can demonstrate their knowledge without being penalized for extra processing.

Why Extended Time or Interpreters May Be Needed

Determining effective testing accommodations requires an interactive process that takes into account each student’s language background and history. For many deaf students, limited access to English language affects their exposure to technical vocabulary that hearing peers acquire incidentally.

For example, in a health science course on vital signs:

  • A hearing student might hear: “An elevated temperature may indicate infection or inflammation.”
  • A deaf student watching an interpreter might see: “High temperature may mean infection.”


Without seeing the term elevated in multiple contexts, the deaf student may never connect the English word with the concept, even if they understand the science. In a testing situation, accommodations such as interpreter support or extended time ensure the test measures content knowledge, not gaps in incidental language exposure.

Interpreter Ethics and Institutional Compliance

Institutions must also recognize that interpreters are bound by a professional code of ethics, such as those established by the Registry of Interpreters for the Deaf (RID). These standards require interpreters to provide accurate and impartial access—not coaching or assistance. For example, if a biology exam includes the word mitochondria, the interpreter will sign or fingerspell the term exactly as written, not explain its function. This ensures accommodations preserve both the integrity of the exam and the institution’s legal obligations for access.

Bottom Line

The purpose of a test is to measure subject knowledge—not a student’s English proficiency or ability to navigate barriers. Providing accommodations such as extended time or interpreter support helps ensure fairness, complies with federal law, and allows deaf students to show what they truly know.

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Categories: Tools and Resources
Tags: accommodations, deaf students
Useful For: Disability Services Professionals, Higher Education Administrators

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