QRdx

QR codes for schools and universities

Teachers use QR codes to get thirty students to the same web page without anyone mistyping a URL. The same trick works for parents (the newsletter, the permission form), visitors (the campus map) and prospective students (the open-day booking page).

School years repeat. A code on the classroom wall or in the student handbook can point at this term's resources and be updated next year, which makes dynamic codes better value than reprinting every September.

QR code ideas for schools and universities

Classroom resources

A code on the worksheet or the board opens the reading, the video or the shared document for the lesson.

Attendance and sign-ins

A code at the door that opens a sign-in form for lectures, clubs or visitors.

Campus maps and wayfinding

Codes on building signs that open the map and accessible routes, useful during freshers' week and open days.

Parents and admissions

Newsletters, permission forms and open-day registrations, with separate codes to see which channel reaches parents.

Which QR code to use

Static codes are free and need no account, but can't be changed after printing. Dynamic codes and hosted pages can be edited at any time, count every scan, and keep working on every plan, even if you cancel.

Static · free, no account

Attendance QR code

Check-ins through a Google Form, free and with no QRdx account needed.

Open the Attendance generator
Static · free, no account

Google Drive QR code

Opens a Drive folder, Doc or Sheet with the lesson materials. Check the sharing settings first.

Open the Google Drive generator
Hosted page · editable, tracked

Event page

Date, time, venue, organiser and add-to-calendar links, plus an .ics file for any calendar app.

Open days, parent evenings and performances with add-to-calendar buttons.

Build it in the dashboard
Hosted page · editable, tracked

PDF page

An uploaded PDF people can read in the browser or download.

Handbooks, prospectuses and policies that you replace each year behind the same printed code.

Build it in the dashboard

How big to print it

Minimum printed QR code size by scanning distance
Where people scanDistanceMinimum code width
Worksheet or handout35 cm (14 in)4.1 cm (1.6 in)
Building entrance sign2 m (7 ft)23.2 cm (9.1 in)
Classroom board, front rows3 m (10 ft)34.8 cm (13.7 in)

For a dynamic short link such as https://qrdx.dev/q/aB3dE5f at error correction Q, without the blank margin. Static Wi-Fi, vCard or long URL codes hold more data and need to be larger. Check yours with the print size calculator and the scan checker.

Placement tips

  • On a projector, leave the code on screen long enough for the back row, and make it large: from 6 m it needs to be about 70 cm wide.
  • Students often scan with older phones with weaker cameras; strong contrast and no logo in the middle help.
  • For worksheets photocopied many times, use a short link so the code stays simple and survives copier blur.
  • Check that linked documents are shared with the right people before printing; a code to a private Drive file just shows a sign-in wall.

Call-to-action copy

A code with a reason to scan beside it gets more scans than a bare code. Lines to print next to yours:

  • Scan for today's reading
  • Sign in for this session
  • Campus map and accessible routes
  • Book your open-day place

QR codes for schools and universities: FAQ

Can students scan QR codes without an app?

Yes. The camera apps on current iPhones and Android phones read QR codes directly. School-managed Chromebooks and tablets may need a scanning app or extension.

Are QR codes useful on worksheets that get photocopied?

Yes, if they are simple. A short dynamic link produces a code with fewer, larger modules, which survives photocopying better than a long URL encoded directly.

Can we reuse the same codes next school year?

With dynamic codes, yes. Point them at next year's resources in the dashboard; the printed posters and handbooks stay the same.

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