Introduction
One of the biggest revision mistakes IB students make is choosing the wrong revision order.
Many students revise:
- What they enjoy first
- What feels easiest
- What they’re most worried about
The result is often:
- Burnout
- Peaking too early
- Weak performance in later exams
The smartest students revise in an order that matches how IB exams actually work.
Why Revision Order Matters More Than Hours
IB exams are not evenly demanding.
Some subjects:
- Require early mastery
- Are heavily affected by fatigue
- Need sustained performance
Revision order determines:
- Energy levels
- Retention
- Consistency across exams
Wrong order = wasted effort.
The Golden Rule of IB Revision Order
Revise the most demanding subjects earliest — not latest.
Demanding subjects include:
- Heavy content subjects
- Calculation-heavy subjects
- Writing-heavy subjects
Leaving these until late increases fatigue and lowers accuracy.
What to Revise First
Start with subjects that:
