SafeAssign is owned and operated by Blackboard, a company that makes learning management software

Blackboard acquired SafeAssign in 2010 and now runs it as part of its larger suite of educational tools. Blackboard itself is owned by a private equity firm called Hellman & Friedman, which bought the company in 2018. If your school uses Blackboard Learn (the platform where you submit assignments), SafeAssign is likely built into that same system — you do not download or sign up for it separately.

SafeAssign is a plagiarism detection tool. When you submit a paper or assignment through your school's learning management system, SafeAssign scans it against a database of published sources, student papers, and web content to flag text that matches existing material. Your instructor sees a report showing what percentage of your work matched other sources and where those matches occurred. You may also see a report yourself, depending on how your instructor configured it.

The tool does not decide whether you plagiarized — it only flags similarities. Your instructor reads the report and decides whether the matches represent actual plagiarism, proper citation that SafeAssign flagged anyway, or coincidental word overlap. SafeAssign is a detection aid, not a judgment.

Key Takeaways

  • Blackboard owns SafeAssign and includes it in most of its learning management systems that schools use to distribute and collect assignments.
  • SafeAssign compares your submitted work against published sources, archived student papers, and web pages, then shows your instructor a similarity report.
  • A high similarity percentage does not automatically mean plagiarism — your instructor interprets the report and decides what the matches mean.
  • You can usually see your own SafeAssign report after submission, which lets you check for unintended matches before your instructor reviews it.
  • SafeAssign stores submissions in its database, which means future student work gets compared against papers submitted in previous years.

What SafeAssign actually checks against

SafeAssign maintains several databases it compares your work to. The first is the Global Reference Database, which includes billions of web pages, academic journals, books, and other published material. The second is the Institution Submission Database, which holds papers previously submitted to your school through SafeAssign — this is why a paper that would have passed five years ago might flag today.

Your school can also add custom sources to check against, such as course readings or specific textbooks. Some institutions add their own institutional repository of past student work. When you submit, SafeAssign runs your paper against all these sources at once.

SafeAssign does not check against material behind paywalls that it cannot access, such as articles in subscription databases your school library pays for. It also does not check against papers in private email, shared Google Docs, or other sources it has no way to reach. This means a high similarity score does not prove you copied from everywhere — it proves you copied from sources SafeAssign could find.

How your school controls what SafeAssign does

Your instructor decides whether to use SafeAssign at all, and if so, how strictly. They can turn it off for a particular assignment, set it to show you a report but not show them one, or configure it to flag only matches above a certain percentage. Some instructors set SafeAssign to run automatically when you submit; others run it manually later.

Your school's IT department controls whether SafeAssign is available institution-wide and which databases it checks against. They can exclude the student submission database if they choose, though most schools leave it on. They also control whether you see your own report before your instructor sees it — some schools show it to you immediately, others hide it until after grading.

This means the SafeAssign experience differs from school to school and class to class. Ask your instructor how they use it in your course if you are unsure.

What happens to your paper after you submit it

When you submit through SafeAssign, your paper is stored in Blackboard's servers. It gets added to the Institution Submission Database for your school, which means it will be compared against future student submissions — both at your school and potentially at other institutions if they share the same Blackboard system and database settings.

Your paper remains in the database even after the course ends, unless your school has negotiated a data retention agreement with Blackboard that limits storage time. Some schools delete submissions after a set period; others keep them indefinitely. Check your school's data privacy policy or ask your registrar's office what happens to submitted work.

Blackboard's privacy policy states that it does not sell student data to third parties, but it does use aggregated, anonymized data to improve its services. Your individual paper is not sold, but patterns in how students write and what they submit do inform SafeAssign's algorithms.

Why schools use SafeAssign instead of other tools

SafeAssign is built into Blackboard Learn, which means instructors do not have to learn a separate system or ask students to upload to a different platform. It is already there when they create an assignment. This integration makes it the default choice for schools using Blackboard.

Other plagiarism detection tools exist — Turnitin is the most widely used alternative — but they require separate accounts and uploads. Schools that use Blackboard often stick with SafeAssign because the friction is lower, even though Turnitin is generally considered more sophisticated at distinguishing between plagiarism and legitimate paraphrasing.

Cost also plays a role. SafeAssign is included in Blackboard's licensing fee, whereas Turnitin requires a separate contract. For schools with tight budgets, that difference matters.

What a SafeAssign report actually tells you

A SafeAssign report shows a similarity percentage and highlights the passages that matched other sources. The percentage is not a plagiarism score — it is a match score. A paper that is 40% matched might contain one long properly cited quote, or it might contain multiple unattributed passages. SafeAssign cannot tell the difference.

The report also shows you which sources matched. If it flags a match to a published textbook and you cited that textbook, that is expected and not a problem. If it flags a match to another student's paper from three years ago, that is worth investigating — either you independently wrote something very similar, or there is a real issue.

Read the highlighted passages carefully. SafeAssign sometimes flags common phrases or standard terminology that appear in many papers on the same topic. A sentence like "Climate change is caused by greenhouse gas emissions" will match thousands of sources because it is a basic statement, not plagiarism.

How to use SafeAssign without problems

If your instructor has enabled SafeAssign, submit early enough to see your own report before the deadline. Most schools show you a draft report within minutes of submission. Read it carefully and look for unexpected matches. If you see a high similarity score, check whether it comes from proper citations, common phrases, or actual problems.

If you find a match you did not expect, you have time to revise before resubmitting. Some instructors allow multiple submissions; others do not. Ask your instructor about their resubmission policy.

When you write, use your own words and cite your sources clearly. SafeAssign is less likely to flag properly cited material, though it may still highlight it. A citation does not make a match disappear from the report, but it tells your instructor that you knew the material came from somewhere else.

If you are paraphrasing, change the structure and wording significantly, not just a few words. SafeAssign catches near-verbatim paraphrasing — copying the sentence structure and swapping out synonyms. Genuine paraphrasing requires understanding the idea and expressing it in your own way.

Frequently Asked Questions

Can I see my SafeAssign report before my instructor does?

Usually yes, but it depends on your school's settings. Most institutions show you a draft report within minutes of submission so you can check for problems. Some schools hide the report until after your instructor grades. Ask your instructor or check your course syllabus to find out which applies to you.

Does a high SafeAssign percentage mean I plagiarized?

No. A high match percentage means SafeAssign found text similar to other sources. Your instructor reads the report and decides what that means. Properly cited quotes, common phrases, and standard terminology all show up as matches but are not plagiarism. Your instructor knows this and interprets the report accordingly.

What if SafeAssign flags something I wrote myself?

This happens when you use common phrases, standard terminology, or ideas that many people express the same way. If you wrote it yourself and did not copy it, tell your instructor. They can see the sources SafeAssign flagged and will recognize whether it is a real problem. Instructors understand that some overlap is inevitable.

Does SafeAssign check against papers on the dark web or in private databases?

No. SafeAssign only checks sources it can access — published web pages, academic databases it has agreements with, and papers submitted through Blackboard. It cannot reach paywalled content, private emails, or anything not publicly indexed. A low SafeAssign score does not prove you did not copy from somewhere; it proves you did not copy from sources SafeAssign could find.

Can I delete my paper from SafeAssign's database after I submit it?

Not directly. Your paper stays in the Institution Submission Database for your school. Your school's IT department or registrar controls how long papers are kept. Contact them to ask about your school's data retention policy or whether you can request deletion of your work.