IB • June 1, 2026 • 3 min read ESS examiners test scale calibration in nearly every Paper 2 question. This guide shows how to identify the targeted scale before you write, why answers at the wrong scale drop below Level 5, and the…
Read post→ IB • June 1, 2026 • 3 min read IB ESS Paper 2 Section B rewards candidates who identify trade-offs between stakeholder values, not just list them.
Read post→ IB • June 1, 2026 • 3 min read Photosynthesis is a flow, not a stock - the box-and-arrow error that caps marks. How to label stocks, flows and feedback loops on an ESS diagram.
Read post→ IB • June 1, 2026 • 3 min read Describe asks what a system contains; explain asks why it behaves that way. Six confused ESS command terms, with phosphorus cycle and trophic web examples.
Read post→ IB • June 1, 2026 • 3 min read A four-part routine for sources inside an essay: claim, provenance, effect on reliability, use in argument. Two essays in 90 minutes leaves no slack.
Read post→ IB • June 1, 2026 • 3 min read Measurement uncertainty appears across IB Physics Paper 1, Paper 2, and the IA — and costs marks in ways candidates rarely anticipate.
Read post→ IB • June 1, 2026 • 3 min read Data-based questions in IB Biology Papers 2 and 3 separate 6s from 7s. Most candidates describe data instead of interpreting it.
Read post→ IB • June 1, 2026 • 3 min read The IB Visual Arts Comparative Study accounts for 30% of your mark, yet most candidates misunderstand what the rubric actually rewards.
Read post→ IB • June 1, 2026 • 3 min read IB Math AI candidates who lean heaviest on their GDC often score lower on Papers 1 and 2 than peers who use it selectively.
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