
Graduates
- Scored 40+ in the IB and 7s in the subjects they teach.
Wondering if you need an IB tutor? Discover how to make a strategic choice with our expert guide. We cover common subject mistakes, examiner tips, and a timeline for the IB Diploma.

This guide is for students and parents trying to decide if tutoring is a worthwhile investment for the International Baccalaureate. The IB is one of the world's most demanding high school programs, and it’s normal to feel like you need a strategic edge.
At Lanterna, our tutors are all top-scoring IB graduates. We’ve been through the entire process and know exactly what it takes to succeed. We built this guide to give you the insider knowledge needed to make the right decision for you.
By using this guide, you will be able to:
To know if you need support, you first have to understand the game you’re playing. The IB isn’t just a set of exams; it’s a complex system with a unique structure.
You take six subjects (three at Higher Level, three at Standard Level) plus the three Core components: the Extended Essay (EE), Theory of Knowledge (TOK), and CAS.
Your final score is out of 45 points:
To earn the diploma, you need at least 24 points. But there are also strict failing conditions. You can’t get a grade 1 in any subject, you can’t get too many 2s or 3s, and you absolutely cannot fail the Core. Getting an ‘E’ in either TOK or the EE means you fail the entire diploma, no matter how well you did in your subjects.
This is how the Core bonus points are calculated:
| TOK/EE Grade Matrix | Grade A (EE) | Grade B (EE) | Grade C (EE) | Grade D (EE) | Grade E (EE) |
|---|---|---|---|---|---|
| Grade A (TOK) | 3 points | 3 points | 2 points | 2 points | Failing Condition |
| Grade B (TOK) | 3 points | 2 points | 2 points | 1 point | Failing Condition |
| Grade C (TOK) | 2 points | 2 points | 1 point | 0 points | Failing Condition |
| Grade D (TOK) | 2 points | 1 point | 0 points | 0 points | Failing Condition |
| Grade E (TOK) | Failing Condition | Failing Condition | Failing Condition | Failing Condition | Failing Condition |
The real challenge is the dual-assessment system. Around 70-80% of your grade comes from final exams, but a crucial 20-30% comes from Internal Assessments (IAs): long-term projects you work on yourself. This means you have to be a great test-taker and a great project manager, often at the same time.
The IB is always evolving. Using outdated resources is a fast track to losing marks. Here are the key changes you need to know about:
The short answer is yes, but it’s more nuanced than that.
Academic research shows that high-quality, high-dosage tutoring is one of the most effective ways to boost academic performance. The best results come from one-on-one or small-group sessions with trained professionals.
However, there’s a catch. The wrong kind of tutoring can actually hurt a student's independence. If a tutor just gives answers or provides too much hand-holding, it can prevent the student from developing their own self-study and problem-solving skills.
In the IB, a tutor’s job is not to give you the answers. In fact, the IB’s Academic Integrity Policy forbids anyone from writing or editing your work for you.
So, what does a great IB tutor do?
The difference between a 6 and a 7 isn't about working harder; it’s about working smarter. To get top marks, you have to know exactly what the IB is looking for.
Grade boundaries (the raw score needed for a certain grade) change every year based on the difficulty of the exams. However, historical data gives us a good idea of what to aim for. Subjects like Math AA HL often have lower boundaries for a 7, while subjects like English A HL require a very high percentage.
| Subject (HL) | Typical Grade 7 Boundary |
|---|---|
| Mathematics AA HL | 79% + |
| English A Literature HL | 78% + |
| Economics HL | 76% + |
| Biology HL | 79% + |
| English A Lang & Lit HL | 80% + |
(Note: These are general estimates based on recent exam sessions; boundaries fluctuate.)
A strong IA performance is your secret weapon. In a subject like Economics SL, the IA is worth 30% of your final grade. A high score here gives you a massive safety net before you even walk into the final exam.
General study advice won’t get you a 45. You need to know the specific pitfalls and success strategies for each of your subjects.
Your Science IA is worth 20% of your grade. The new 2025 syllabus grades it out of 24 marks across four criteria: Research Design, Data Analysis, Conclusion, and Evaluation.
Here’s how to move from an average score to a top one:
| Science IA Criterion | Common Pitfalls (Grades 4-5) | Top-Tier Characteristics (Grade 7) |
|---|---|---|
| Research Design | Vague research question; not explaining how you'll control variables. | Highly focused, quantifiable research question; a methodology so clear someone could replicate it perfectly. |
| Data Analysis | Missing units or inconsistent decimal places; using a statistical test incorrectly. | Full propagation of uncertainty (especially in Physics); using correct statistical tests with justification. |
| Conclusion | Just saying "the data proves it" without using specific numbers from your results. | Linking your precise results (e.g., the gradient of a graph) back to established scientific theory. |
| Evaluation | Vague excuses like "human error" or suggesting "do more trials" as the only improvement. | Identifying specific systematic errors and proposing concrete, intelligent upgrades to the methodology. |
In exams, precision is everything. In Biology, if a question asks you to "describe" a graph, you must quote specific data points with units. In Chemistry, you lose marks for incorrect significant figures. It’s these small details that separate the 6s from the 7s.
Math AA HL is one of the toughest courses in the IB. Calculus and Statistics are the heaviest topics, making up over half the syllabus.
The real test is Paper 3: a 60-minute exam with just two long, investigative questions. This paper tests your ability to communicate your mathematical reasoning. Examiners award method marks even for wrong answers if your process is correct. This means you must:
The Economics IA is a portfolio of three 800-word commentaries on real-world news articles. The two places students lose the most marks are:
In exams, top students move beyond describing what happened. They provide deep evaluation by comparing short-run vs. long-run impacts, considering how different stakeholders are affected, and questioning the assumptions of the economic models they use.
English grade boundaries are notoriously high. The single biggest mistake students make is summarizing the plot instead of analyzing the author's choices.
An average student writes: "The author describes a storm."
A top-scoring student writes: "Through chaotic imagery and shifting syntax, the author uses the external storm as an objective correlative for the protagonist's inner turmoil."
Here’s how to fix the most common errors:
| English A Essay Mistake | Examiner Assessment | Strategic Correction |
|---|---|---|
| Summarizing Content | Shows you read the book, but not that you can analyze it. | Focus every paragraph on the how and why of the author's linguistic and structural choices. |
| Weak Thesis Statements | Leads to a vague, rambling essay with no clear argument. | Your thesis must state what the author does, how they do it, and why it's important for the meaning of the text. |
| Ignoring the Guiding Question | Results in a pre-memorized essay that doesn't actually answer the prompt. | Underline the key terms in the question and make sure every topic sentence directly addresses them. |
The History IA is a 2,200-word historical investigation. The biggest challenge is moving from telling a story to making an evidence-based argument.
In Section 1 (Evaluation of Sources), don't just list the Origin, Purpose, Content, Value, and Limitations (OPCVL). You must explain how a source's origin and purpose affect its value and limitations for answering your specific research question.
In Section 3 (Reflection), don't just talk about your research process. Reflect on the challenges of being a historian. Discuss things like bias, the limitations of archives, and how a historian's method is different from a scientist's.
The Core (EE and TOK) is often what separates a good score from a great one.
Your EE is a 4,000-word independent research paper. The most important criteria are focused on your analysis and evaluation. A failing EE almost always starts with a bad research question.
The Reflection (RPPF) forms are also crucial. Don't just log what you did ("I went to the library"). Discuss your "aha!" moments, how your research changed direction, and what you learned about the academic process.
TOK is assessed through a 1,600-word essay and an exhibition.
Success in the IB is all about project management. Burnout in the second year is almost always caused by a collision of deadlines. The EE, IAs, TOK essay, and university applications all hit at once.
A strategic timeline is not optional. It’s essential.
| Program Phase | Key Milestones & Actions |
|---|---|
| DP1: Early Year | Finalize subjects. Start your CAS record. Choose your EE subject and supervisor. Draft your EE research question before the winter break. |
| DP1: Mid Year | Conduct your main EE research. Finalize your TOK Exhibition draft and choose your three specific objects. |
| DP1: Late Year & Summer | Complete the TOK Exhibition. Use the summer to get a head start: collect data for your Science IAs and write the first full draft of your EE. |
| DP2: Early Year | Submit your final EE draft. Work on university applications. Select and outline your TOK essay prompt. Submit first drafts of Math and Humanities IAs. |
| DP2: Mid Year | Submit final EE and TOK essays. Finalize Science IAs. Complete your Language A Individual Oral (IO). |
| DP2: Late Year | All coursework is done. Your only focus is now on timed past paper practice and markscheme review for the final exams. |
Getting a tutor and having a plan are the framework. But the final differentiator is your daily habits and mindset.
Top-scoring students don't rely on motivation; they rely on systems.
Ultimately, the decision to get a tutor is a strategic one. It's not about admitting you can't do it alone. It's about deciding you want to equip yourself with every possible tool to master one of the most challenging and rewarding academic programs in the world.
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