From the eight UGC-funded universities to the self-financing institutions, Turnitin is effectively standard equipment in Hong Kong higher education. But "the university uses Turnitin" covers a wide range of actual practice — and the differences are exactly where students get caught out.
1. You probably cannot see your own report
Turnitin is usually not a standalone website but a submission box inside the institution's learning management system (Moodle, Blackboard or Canvas). Whether the Similarity Report is released to students is set by the instructor, per assignment.
Three configurations are common:
- Never released. You submit and see nothing; only the marker does. This is the most common setting.
- Released immediately. You can see the report, usually once — resubmitting after edits often does not generate a fresh one straight away.
- Released after the deadline. By the time you see it, you cannot act on it.
So "submit, look at the report, then fix it" is not a plan that works in most cases.
2. Resubmitting can match you against yourself
If the instructor's setting stores submissions in the standard repository, your first submission stays in the Turnitin database permanently. After that:
- Editing and resubmitting the same assignment matches the new version against your own earlier one — similarity can exceed 90%.
- Reusing part of your own work next semester (a literature review, say) shows up as matching your previous submission.
The second case is self-plagiarism. Many students assume their own writing cannot be a problem, but a substantial number of institutional integrity codes explicitly treat undeclared reuse as a breach. The correct approach is to declare it and ask your instructor.
3. There is no universal pass mark
Hong Kong institutions generally do not publish a single similarity ceiling that applies across the university, and for good reason: acceptable overlap varies enormously by discipline. Law essays quote statutes and case law extensively; science lab reports contain standard methodological descriptions. The two are not comparable.
You may see "aim for under X%" in a course outline or on a department page, but those are usually departmental guidance, not university rules, and not an automatic threshold for misconduct. The real judgement is always a human reading the report.
For how to read one, see our other article: What similarity percentage is actually safe in Turnitin?
4. AI rules are still moving
Similarity matching has been around for two decades, but AI writing detection only launched in 2023 and institutional policy is still settling. The common positions today:
- An AI score alone is not treated as proof of misconduct — it triggers a conversation, not a penalty.
- Whether generative AI is permitted is decided per course, not university-wide.
- More and more courses require students to declare which AI tools they used and at which stage.
More detail here: What does *% mean in Turnitin AI detection?
5. Where to check the rules
Rather than asking classmates, check these four places — the answers are written down:
- The course outline / syllabus. Similarity guidance, AI policy, declaration requirements.
- Your department's student handbook. Submission procedure and integrity specifics.
- The institutional academic integrity policy. Usually on the registry or library site; defines plagiarism and self-plagiarism and the process that follows.
- The submission box itself. The Turnitin box in Moodle or Blackboard normally states whether the report is visible and whether resubmission is allowed.
Why check it yourself first
Putting the above together: you usually cannot see your report, resubmitting matches you against yourself, and you often get one attempt. Under those conditions, checking through a channel that does not store your file before the real submission is simply risk management.
TurnCheckHK uses an international Turnitin instructor account configured as No Repository — check as many times as you like without leaving a trace, and without affecting the result when you submit for real. The report content is identical to what your marker sees: the similarity percentage, the itemised source list and the AI detection result.
See pricing, or create a free account and try it.