Finished the homework, forgot to submit it: what to do and how to stop it
Last checked October 3, 2026
You did the assignment. It's sitting in a Google Doc, or on paper in your backpack. Then the deadline passes and Canvas says Missing. It's a frustrating way to lose points, and it has little to do with how organized you are.
When we asked eight students about the last deadline they missed or nearly missed, two of them told this story. One got far ahead, then forgot to turn the work in until it nagged at him and he checked. The other finished the work and forgot to scan and submit it. Both keep a calendar.
Why it happens
Finishing and submitting are two separate jobs, and your brain only tracks the first one. Once the work is done, the feeling of “I still have to do this” goes away. The submit step has nothing left to remind you of it.
It gets worse in a few specific situations:
- You finished early. There's a gap of days between done and due, and the deadline no longer feels like yours.
- The work is on paper. Submitting means scanning, and scanning means later.
- There's a second click. You uploaded the file and never pressed Submit, or answered the quiz and closed the tab.
- The class submits somewhere unusual. One student we talked to missed an assignment because he didn't know how that class wanted it turned in.
If it just happened
- Submit it now. If Canvas still accepts it, a late submission almost always beats a zero. Check the syllabus for the late policy before assuming the worst.
- Email your professor today, short and factual: what the assignment was, that it was finished before the deadline, and that you failed to submit it. Attach the work.
- Show when you finished, if you can. Google Docs has version history under File. A photo of handwritten work carries the date it was taken. Don't oversell it; just offer it.
- Ask, don't argue. “Would you be willing to accept it?” works better than explaining why the policy shouldn't apply. Some will say yes, especially the first time.
How to check that Canvas really has it
Don't trust the feeling of having submitted. Look for proof.
- On the assignment page, a submitted assignment shows the word Submitted with the date and time, and a link to your submission details. If you still see a Start Assignment or Submit button and no date, Canvas doesn't have it.
- Open what you uploaded. From the submission details, open the file. A blank page, the wrong draft and a file that won't open all count as not turning it in.
- On the Grades page, anything past due with no submission is labeled Missing. Skim it once a week for surprises.
- For quizzes, your answers save as you go, but the attempt usually isn't turned in until you press Submit Quiz. Don't count on Canvas to submit it for you.
Your school's Canvas may look a little different, and some classes use other sites entirely. When in doubt, ask the professor how they see submissions.
How to stop it from happening again
- Submit the moment you finish. Not after dinner. If you want to proofread later, most assignments let you resubmit before the deadline, and a rough version in Canvas beats a polished one on your laptop.
- Write “submit,” not “do.” Whatever you track homework in, the item is “Submit lab report,” and it isn't crossed off until Canvas shows the date.
- Scan paper on the spot. Your phone already does this: in the Notes app, start a note, tap the camera, and choose Scan Documents. It takes under a minute.
- Do a nightly Canvas check. Two minutes before bed: open Canvas, look at what's due in the next day, and confirm each one says Submitted.
- In week one, learn where each class submits. Canvas, a publisher site, a paper tray outside an office. Write it next to the class name.
The real fix
Every tip above depends on you remembering to check, which is the thing that failed in the first place. What actually closes the gap is something that looks at what Canvas has, and tells you about the difference between done and turned in before the deadline instead of after.