IB Core

Theory of Knowledge

Reflect on the nature of knowledge, evidence, perspectives, and how we know what we claim to know.

This core component has a dedicated toolkit with milestones, best practices, common pitfalls, planning templates, and final checks.

Official global benchmark

Cohort outcomes are context only—not grade boundaries or an individual grade prediction.

101,788 published results

Official core grade distribution
A	B	C	D	E	N
10.3%	37.4%	41.5%	9.9%	0.2%	0.7%

Source: International Baccalaureate statistical bulletin. “N” denotes no grade awarded; percentages may differ from 100 due to rounding.