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IB Curriculum Decoded by Certified IB Examiners

IB IA Help & IB Internal Assessment Help in the USA

One-on-one guidance from certified and former IB examiners for American IB Diploma students working on their Internal Assessments.

IB IA Help & IB Internal Assessment Help for Students in USA

Across the United States, the number of schools offering the IB Diploma Programme has grown steadily over the past decade, from magnet public schools in states like Florida, Texas, and Illinois to independent schools in New York, California, and Massachusetts. For American IB students, the Internal Assessment is often the first piece of sustained, examiner-style academic research they will ever produce, and it arrives at exactly the moment they are also drafting college applications, sitting the SAT or ACT, and juggling AP coursework at partner schools. PrepSeven works with US-based IB Diploma candidates to build the research, analytical, and writing skills the IA demands, through structured one-on-one sessions with tutors who have themselves examined IB coursework for the IBO.

The IB Landscape in the United States

The IB Diploma Programme is authorized in well over 1,000 schools across the United States, making it one of the largest IB markets in the world. Unlike the UK or India, where IB competes directly with A-Levels or CBSE, American IB students are frequently comparing their workload to classmates taking Advanced Placement (AP) courses. This creates a specific pressure point: the IA is unlike anything tested in AP, since AP relies almost entirely on external, standardized exams, while the IB Internal Assessment demands independent research, a defended research question, and sustained academic writing assessed against IB’s own criterion-based rubrics.

Because many US school counselors and even classroom teachers are more familiar with the AP model, students often find that in-school support for the IA is limited to general checklists rather than criterion-level, subject-specific guidance. This gap is precisely where PrepSeven’s tutors, many of whom have direct IB examining experience, add the most value: they know exactly how moderators and examiners apply the assessment criteria, because they have done that grading themselves.

US students also tend to select IA topics tied to local or national contexts, a Fed interest rate decision for an Economics IA, a chemistry investigation using materials available in a school science lab, a History IA on a US constitutional issue, or a Biology IA built around a local ecosystem. PrepSeven’s tutors help refine these locally-rooted ideas into research questions that are narrow enough to investigate rigorously within the IB word count, while still connecting to the broader theoretical concepts examiners want to see applied.

What Exactly Is the IB Internal Assessment?

The Internal Assessment is the coursework component of nearly every IB Diploma subject, assessed by the student’s own teacher and then externally moderated by the IBO. It typically accounts for 20% to 30% of the final subject grade, which means a poorly structured IA can quietly cap a student’s overall IB score no matter how well they perform in the final examinations. Because it is graded against detailed, subject-specific criteria rather than a single overall impression, small structural mistakes, such as a research question that is too broad, data that does not allow for a meaningful conclusion, or an evaluation section that lists limitations without explaining their actual impact, can cost several mark bands at once.

Every subject group structures its IA differently. Group 1 and 2 language subjects use oral or written literary analysis components. Group 3 subjects such as Economics, Business Management, History, Geography, Global Politics, Psychology, and ITGS require a written commentary or investigation built around a real-world stimulus or research question. Group 4 sciences, Biology, Chemistry, Physics, ESS, and Computer Science, require a hands-on or data-based investigation with a personal engagement component. Group 5 Mathematics requires an Exploration, a personal piece of mathematical inquiry rather than a solved textbook problem. Group 6 subjects have their own practical or written components. PrepSeven assigns tutors by subject specialism, not generalists, so a student writing a Chemistry IA works with a chemistry-trained former examiner, not a tutor covering five different subjects at once.

Subject-by-Subject IA Support We Offer

IB Economics IA Help

Economics IA commentaries require students to select a recent, real-world article and apply a specific economic concept using accurate diagrams. American students often gravitate toward Federal Reserve policy, minimum wage debates, or tariff news. Our tutors help refine the choice of article, ensure the diagram is drawn and applied correctly, and push students toward genuine evaluation rather than descriptive summary, which is where most marks are lost.

IB Biology, Chemistry & Physics IA Help

Science IAs are assessed on personal engagement, exploration, analysis, and evaluation. We guide US students through designing a testable research question that fits realistically within a school lab’s equipment and safety constraints, choosing appropriate statistical tests for the data collected, and writing an evaluation that identifies systematic versus random error with real proposed improvements, not generic statements about ‘human error.’

IB Mathematics AA & AI Exploration Help

The Math Exploration is graded on five criteria including mathematical communication, personal engagement, and rigor. We help students move away from reproducing a textbook derivation and instead pursue a genuine mathematical question, whether that is modeling US election data, analyzing sports statistics, or exploring an area of pure mathematics, with correct notation and a defensible level of mathematical depth for SL or HL.

IB History IA Help

History IAs require a focused historical investigation using primary and secondary sources, evaluated for origin, purpose, value, and limitation. American students frequently choose US history or Cold War-era topics; we help narrow overly broad questions like ‘Why did the Cold War happen’ into examinable, source-rich investigations.

IB Business Management IA Help

The Business Management IA is built around a real organization and a specific research question, supported by tools like SWOT, Ansoff Matrix, or ratio analysis. We help students select a business with genuinely accessible information, often a local or regional US company, and apply tools correctly rather than superficially listing them.

IB Psychology, ESS, Global Politics & Geography IA Help

For Group 3 and 4 subjects with fieldwork or study-based components, our tutors help design ethically sound and methodologically valid investigations, from Psychology’s simplified experimental studies to ESS’s environmental fieldwork and Geography’s data collection, ensuring the write-up matches IB’s specific criteria for each subject.

IB Computer Science IA Help

The Computer Science IA requires a working solution to a genuine client’s problem, with full technical documentation. We help students scope a project that is achievable within the assessment’s time constraints, structure the required sections correctly, and prepare success criteria that can be objectively tested and evaluated.

TOK Essay & Exhibition, Extended Essay Guidance

While not technically IAs, the Extended Essay and Theory of Knowledge components follow similar criterion-based assessment logic. We offer parallel guidance for US students juggling EE research and TOK prescribed titles alongside their subject IAs.

How PrepSeven’s IA Guidance Works

1. Diagnostic Consultation: We start with a free consultation to understand the student’s subject, current draft stage, and the specific IB criteria their school or teacher is emphasizing.

2. Topic & Research Question Refinement: Our examiner-trained tutors work with the student to narrow a broad interest into a focused, investigable research question that fits the word count and can genuinely be analyzed in depth.

3. Structured Research & Methodology Support: We guide students through sourcing credible data, designing valid methodology, and organizing evidence, always ensuring the process reflects the student’s own independent work.

4. Draft Review Against IB Criteria: Every draft is reviewed against the actual subject-specific IA rubric, with mark-band-level feedback so students understand precisely why a section sits at a 4 versus a 6.

5. Mock Moderation & Final Polish: Before submission, we run a mock moderation session that mirrors how an external moderator will read the piece, catching structural or citation issues before the teacher grades it.

Why US IB Students Choose PrepSeven

• Every PrepSeven tutor is a certified IB educator or former IB examiner, meaning they have marked real IA submissions and know precisely how the criteria are applied in practice.
• Sessions are scheduled around US time zones, from Pacific to Eastern, with flexible evening and weekend slots that work around AP classes, sports, and college application deadlines.
• We guide, review, and give criterion-based feedback. We do not write the IA for the student, because a ghostwritten IA cannot be authenticated by the student’s own teacher and puts the diploma at risk.
• Subject-specific matching ensures a Physics student is paired with a physics examiner, not a generalist tutor covering unrelated subjects.
• Transparent, structured pricing with clear session packages, rather than vague hourly retainers.

Frequently Asked Questions