Research.com is an advertising-supported site. Featured placements, sponsored links, advertising widgets and labeled paid mentions in articles involve schools, brands or advertising networks that compensate us. Some universities also pay us to process their current program data, but no payment influences our ranking methodology, scores or positions, or the other editorially independent information published on this site.

2027 Library Science Degree Licensure Outcomes Report: Pass Rates, Barriers, and Career Impact

Imed Bouchrika, PhD

by Imed Bouchrika, PhD

Co-Founder and Chief Data Scientist

Table of Contents

Is Professional Licensure Required for Library Science Degree Careers?

Professional licensure is not required for every library science degree career. In the United States, "library science licensure" usually refers to state certification for school librarians, school library media specialists, teacher-librarians, or certain public librarian credentials. Academic, corporate, archival, digital asset management, and many public library jobs may prefer or require an ALA-accredited master's degree, but they often do not require a state license.

The important distinction is between degree completion and legal or employer eligibility. Earning a Master of Library and Information Science, often called an MLIS or MLS, may satisfy the education requirement for many librarian roles, but it does not automatically authorize a graduate to work in a state-regulated school library position. Unlike highly regulated clinical paths such as the best online pharmacy school, library science licensing is narrower, more state-specific, and more tied to K-12 education employment than to the entire profession.

This table shows how licensing expectations differ across common library science career targets. Use it to identify whether licensure should be a central part of your program search or only a secondary consideration.

Career targetTypical credential expectationIs professional licensure usually required?What to verify before enrolling
School librarian or library media specialistMLIS, school library concentration, educator preparation coursework, or state-approved pathwayOften yes, depending on the stateState certification rules, exam requirements, practicum hours, and whether the program is approved for your state
Public librarianOften ALA-accredited MLIS for professional librarian rolesSometimes, depending on state, municipality, or role levelLocal civil service rules, state public librarian certification, and job posting requirements
Academic librarianUsually ALA-accredited MLIS; subject master's may helpUsually no state licenseFaculty status requirements, tenure expectations, research skills, and subject specialization
Archivist, records manager, digital curatorMLIS, archives concentration, digital preservation skills, or related credentialUsually no professional licenseTechnology tools, archival standards, internships, and portfolio expectations
Corporate knowledge manager or information analystMLIS or related information management degreeNo in most casesData, taxonomy, metadata, search, AI, and knowledge management skills

Licensure matters most if your goal is a K-12 school library role, especially in a public school system. If your goal is academic libraries, archives, data curation, or information management, accreditation, field experience, technical skills, and employer fit may matter more than state licensing.

How Do Library Science Degree Graduates Qualify for Professional Licensure?

Library science graduates qualify for licensure by matching their education, field experience, exam record, and background clearance to the rules of the state or employer that grants the credential. The most common licensed pathway is school librarian certification, which is often administered through a state education agency rather than a library board.

Although requirements vary, most licensure pathways follow a predictable sequence. The steps below help you separate academic progress from actual license eligibility.

  1. Confirm the exact job title you want, such as school librarian, library media specialist, or teacher-librarian, because each state may use different terminology.
  2. Check whether the state requires an ALA-accredited MLIS, a state-approved school library preparation program, a teaching license, or an alternative certification route.
  3. Verify required coursework, including collection development, information literacy instruction, youth services, school library administration, educational technology, and curriculum integration.
  4. Complete any required practicum, internship, student teaching, or supervised field experience in a school or library setting.
  5. Register for the required content exam if your state uses one, and confirm the passing score directly with the state agency or testing provider.
  6. Submit transcripts, exam scores, background checks, fingerprints, and application fees before assuming that you are authorized to accept a licensed position.

The most common mistake is assuming that an online MLIS automatically qualifies graduates for certification in every state. Online delivery can be fully legitimate, but licensure eligibility depends on accreditation, state approval, field placement rules, and whether the curriculum aligns with the state where you plan to work.

Transfer credits can also affect eligibility. A school may accept transfer credits toward graduation, but a licensing agency may still require specific state-approved coursework or field experience. Before transferring credits, ask whether the accepted courses will count toward licensure, not just toward the degree total.

How Do Library Science Degree Graduates Qualify for Professional Licensure?

Other Things You Should Know About Library Science

Do all library science graduates need a license?

No. Licensure is most relevant for school librarian or library media specialist roles. Many academic, public, archival, corporate, and digital information jobs may require or prefer an ALA-accredited MLIS but not a state professional license.

Is graduating from an MLIS program the same as becoming licensed?

No. Graduation means you completed the degree. Licensure usually requires additional steps such as state-approved coursework, field experience, exams, background checks, transcript review, and a formal application.

Why are library science licensure pass rates hard to compare?

There is no single national licensing exam for all library science graduates. Pass-rate reporting varies by state, exam, cohort size, and whether the school reports first-time attempts, repeat attempts, or final licensure completion.

Does licensure increase salary?

Licensure can improve access to jobs that require certification, especially in public K-12 schools, but it does not guarantee higher pay. Salary still depends on location, employer, experience, job level, union or district salary schedules, and specialized skills.

See What Experts Have To Say About Studying Library Science

Read our interview with Library Science experts

Edward Benoit III

Edward Benoit III

Library Science Expert

Associate Director, School of Information Studies

Louisiana State University

Kay Anne Cassell

Kay Anne Cassell

Library Science Expert

Professor Emerita of Library and Information Science

Rutgers University

Maura Madigan

Maura Madigan

Library Science Expert

School Librarian

Book Author

Beatrice C. Baaden

Beatrice C. Baaden

Library Science Expert

Associate Professor

Long Island University

Do you have any feedback for this article?