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Choose a topic

Your topic decides how high you can score in every criterion. Check it here before you start.

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What makes a good topic

What a good IA problem looks like

  • The problem should need a software solution with enough complexity and innovation for DP Computer Science level.
  • You must show organisational skills, algorithmic thinking, and the ability to code your own algorithms.
  • The IA should be of personal interest to you.

Allowed forms of solution

New system

  • OOP program
  • Interactive web app with database
  • Computer game
  • Mobile app
  • Simulation
  • Stand-alone application

Add functionality to an existing system

  • Connecting web pages to a database
  • Writing a Moodle plug-in
  • Adding meaningful new features to an existing system

Non-negotiable point

  • The solution must be coded by you
  • You must explicitly demonstrate and document algorithmic thinking

Inappropriate products

Copied or template-based work

  • Copied code with no significant modification
  • Website built from a template that predetermines the structure or layout
  • Use of exemplar products or templates such as the Northwind database in Access

Insufficiently original development

  • Copied computer game without major, properly documented modifications
  • Builder, wizard, or drag-and-drop tools with no real code development

Ethics problem

  • Any product that does not meet ethical requirements
  • Minor cosmetic changes to a template are not acceptable

Getting the size right

Too smallAbout rightToo big
A quiz that shows 10 fixed questionsA revision quiz where a teacher adds questions, students see the ones they got wrong more often, and scores are saved per topicA full learning platform with accounts, video and AI marking
A form that saves bookings to a fileRoom booking with clash checks, a weekly limit, a waiting list and a usage report (the PracticePal example)A whole-school timetabling and booking system

A good test: can you imagine 8–10 specific, testable success criteria, and at least a few parts that need your own algorithms (rules, calculations, searching, sorting, scheduling), not just screens that save and show data?

Learn from real IB examples

The IB's official exemplars for the new IA, with the total each scored. Read the one-page examiner comments to see what earned and lost marks.

ProjectMarkLessonOpen
IB timetable
Java + MySQL
26/30Generates a clash-free timetable; strong D write-up.IA · examiner comments
Birthday card generator
Java
24/30Simple idea, very well documented and tested.IA · examiner comments
Car management system
Python + SQLite
23/30Straightforward product, very good plan.IA · examiner comments
Trip organiser
Java
22/30Assigns students to buses and rooms under constraints.IA · examiner comments
Chat room
Java sockets
18/30Interesting idea; design and testing too thin.IA · examiner comments
Quiz game
Java
17/30Few, incomplete success criteria limited every criterion.IA · examiner comments
Currency converter
Python
16/30“A bit trivial”: free converters already exist.IA · examiner comments
Flappy Bird clone
Python
13/30“Barely more than an academic exercise”: a copy of an existing game.IA · examiner comments

Ready to start?

Next: Criterion A deep dive, where you turn the idea into a problem specification.