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The Sev7n Blog · Written by IB Examiners

Examiner-authored guides for IB students & parents.

Marking criteria, paper technique and subject choices — explained by the people who mark the real papers.

★ FeaturedSubject Guides

IB Chemistry Syllabus 2026: Complete Guide for SL and HL Students

The IB Chemistry syllabus covers 22 topics across Structure and Reactivity, with additional content for Higher Level students. This guide breaks down the SL and HL syllabus, recommended teaching hours, exam formats, scientific investigation (IA) and revision strategies to help students prepare for the 2026 examinations.

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IB Chemistry Syllabus 2026: Complete Guide for SL and HL Students
Subject Guides10 min read

IB Chemistry Syllabus 2026: Complete Guide for SL and HL Students

The IB Chemistry syllabus covers 22 topics across Structure and Reactivity, with additional content for Higher Level students. This guide breaks down the SL and HL syllabus, recommended teaching hours, exam formats, scientific investigation (IA) and revision strategies to help students prepare for the 2026 examinations.

SV
Shailey Valecha
16 Oct 2026
IB11 min read

Top 10 IB Schools in Gurugram: Fees, Admissions & Key Things to Consider

Compare the top IB schools in Gurugram, including their programmes, 2026–27 fee details, admission process and key factors parents should consider before choosing a school.

SV
Shailey Valecha
7 Oct 2026
IB7 min read

IB Board vs CBSE: Which Curriculum Should Your Child Choose?

Choosing between IB and CBSE starts with understanding how your child learns and what they want to pursue. Explore the differences in teaching, assessments, costs and university pathways to make an informed choice for your family.

SV
Shailey Valecha
28 Sept 2026
IB10 min read

IB vs ICSE: Which Fits Your Child’s Learning, Budget and Goals?

Is IB or ICSE a better fit for your child? Explore how they differ in classroom learning, assessments, costs and future study options, so you can choose with your child’s strengths and your family’s priorities in mind.

SV
Shailey Valecha
28 Sept 2026
IB10 min read

IB vs AP: Which Curriculum Is Actually Harder (and Better for You)?

In this guide, we compare IB and AP to help students and parents understand the key differences and choose the curriculum that best matches their academic goals, strengths, and future plans.

SV
Shailey Valecha
28 Sept 2026
Examiner Guides8 min read

How to Write an ERQ in IB Psychology — An Examiner's Structure

The 22-mark Extended Response Question is where IB Psychology marks are won and lost. Here is the paragraph-by-paragraph structure, the five assessment criteria, and the command terms that decide your band — from someone who marks them.

DS
Dr Sukanya Pal
7 Jun 2026
IA & EE14 min read

15 IB Economics IA Topics That Score a 7 — With Examiner Commentary

Twenty real Economics IA commentaries from the May 2024 session, the topics that scored the highest, and why. Plus the four-question test we use to spot a winning topic before students start writing.

SV
Shailey Valecha
12 May 2026
Subject Strategy8 min read

IB Math AA vs AI (HL & SL) — Which One Should Your Child Choose?

Both options cover the same five topics — but the emphasis, the depth, and the university doors they open are very different. A subject choice guide for IBDP students and parents.

SV
Shailey Valecha
5 May 2026
For Parents9 min read

Why IB Over CBSE? A Parent's Honest Comparison

Choosing a school board for your child is a defining decision. From curriculum design to university outcomes, here is how the IB and CBSE actually compare — and which one suits which child.

SV
Shailey Valecha
28 Apr 2026
Examiner Guides7 min read

Plagiarism in the IB — Types, Detection, and How to Avoid It

Academic honesty sits at the heart of the IB. A practical guide to the six types of plagiarism, the detection tools schools use, and how to keep your IA, EE and TOK essay clean.

SV
Shailey Valecha
22 Apr 2026