IB
IB Diploma for Parents: Subjects, Core and Key Decisions
A parent-friendly map of six subjects, HL/SL, TOK, CAS, the Extended Essay, Diploma points, and the questions worth asking the school.
4 min read
RENZO DIAZ — Reference library
For Parents
What to verify before you commit — how to read a tutor's claims, a school report, or a predicted grade, without the guesswork.
Decisions about a child's education are usually made under time pressure, with marketing language on one side and a limited ability to check it on the other. This section exists to close that gap: specific, sourced guidance for the questions parents actually face before applying, not general reassurance.
Start here
The map of the whole Diploma: most other pieces in this section assume it.
The IB Diploma, explained
How the Diploma works, what its terms mean and what to confirm with the school.
IB
IB Diploma for Parents: Subjects, Core and Key Decisions
A parent-friendly map of six subjects, HL/SL, TOK, CAS, the Extended Essay, Diploma points, and the questions worth asking the school.
4 min read
IB
IB Extended Essay 2027: New Criteria and Planning Guide
The revised Extended Essay is marked out of 30, not the old 34. Use the correct rubric, frame a research question, and plan the work with your supervisor.
4 min read
IB
IB Diploma Glossary for Parents: The Terms That Change Decisions
HL, SL, predicted grades, IA, grade boundaries, TOK, EE and CAS — without confusing a school estimate with an official result.
3 min read
Mathematics and Physics · IB
IB Internal Assessment: A Parent's Planning Guide
Understand what an IA actually is, why it differs by subject, and how to get the right rubric, feedback rules and deadlines from the school.
4 min read
Mathematics and Physics · IB
How to Support an IB Student Without Doing Their Thinking for Them
A parent's guide to asking better questions about IB Maths, Physics, deadlines and a grade that isn't improving — without taking over the work.
3 min read
IB
Changing IB School Mid-Year: What to Confirm Before Accepting a Place
A parent checklist for DP transfers — school acceptance, subject availability, assessment status, predicted grades and online-course options.
2 min read
Choosing and checking a tutor
How to test a tutor’s claims, reviews, qualifications and results before you commit.
How to Choose a Tutor: Stop Asking Questions. Start Verifying Claims.
A framework for verifying a tutor's claims with independent evidence — review dates, platform methodology, checkable qualifications — instead of taking their word for it.
4 min read
Mathematics · IB and others
How to Check Whether a Tutor Can Actually Teach Across Curricula
A practical way to test whether a tutor can genuinely teach IGCSE, IB and A-Level maths — using your child's own work, not the pitch.
3 min read
How to Verify a Tutor's Reviews
The oldest-review test, what Google's and Trustpilot's rules allow, the law on fake reviews, and how to read a review profile.
5 min read
How to Verify a Tutor's Qualifications and Results
Who can actually confirm a credential, the difference between subject, curriculum and assessment knowledge, and how to read an outcome claim.
4 min read
Mathematics · IB
Best IB Math Tutor in Europe? ChatGPT’s First Pick: Renzo Diaz
One captured ChatGPT answer lists Renzo Diaz first for a European IB Maths query, as best for AA HL. What it says, where to check it, and how to read an AI tutor recommendation.
7 min read