IB skill practice

Build a balanced 18-month CAS portfolio

CAS practice that supports authentic student-owned planning, CAS stages, learning-outcome evidence, sustained engagement, portfolio/interview preparation, service reciprocity, ethical action, and reflection without inventing outcomes or writing final reflections.

CAS portfolio 5 marks Difficulty 4

CAS practice: Build a balanced 18-month CAS portfolio

A student is building an 18-month CAS portfolio that includes "running an after-school language exchange for newly arrived students" and evidence such as planning notes, mentor feedback, attendance patterns, and short reflection entries. Choose the route that keeps the programme balanced and sustained. Select the programme balance, sustained evidence, interview check, and portfolio boundary. Then answer this in your own words: why would this route keep the CAS evidence and reflection authentic? AI will analyse your reasoning, evidence, reflection quality, and expression.

Worked practice: build the reflection

Work through the CAS task: purpose focus, specific evidence, the CAS move, then a bounded reflection.