IB Philosophy SL
More study resources
Cheat sheet
Keep the key ideas within reach.
ExploreKey terms
Get comfortable with the vocabulary.
ExploreStudy plan
Give each week a clear focus.
ExploreCommon mistakes
Understand the traps and how to avoid them.
ExploreCase studies
Put your knowledge to work in context.
ExploreExam-day guide
Prepare for the day ahead.
ExploreAbout this exam
IB Philosophy Standard Level is a two-year Diploma Programme course for students who want to examine fundamental questions about knowledge, reality, value and human existence in a disciplined, argumentative way. It suits candidates who enjoy reading primary texts, constructing positions and criticising arguments, and who are willing to write sustained essays rather than memorise set answers.
The course has a compulsory core theme, Being Human, which anchors the study of self, mind, freedom and social identity. Candidates also select one optional theme from a published list - for example Aesthetics, Epistemology, Ethics, Philosophy and Contemporary Society, Philosophy of Religion, Philosophy of Science or Political Philosophy. Alongside themes, every candidate studies a prescribed text in depth and completes an internally assessed philosophical analysis of a non-philosophical stimulus chosen with the teacher.
Preparation combines close reading of primary sources, structured essay practice and regular discussion. Keep a vocabulary log of distinctions; write outlines that state a thesis and anticipate objections; and rehearse the move from stimulus to philosophical problem for the internal assessment. Your teacher controls the internal assessment conditions, so confirm deadlines early.
What you'll study
About IB Philosophy SL preparation
What does the exam format look like?
Written papers plus an internally assessed analysis. Written papers ask essay and extended-response questions on the core theme and your optional theme, and on your prescribed text; the internal assessment is a philosophical analysis of a non-philosophical stimulus. The IB publishes the current paper structure and weighting, so check the official subject guide rather than relying on older summaries.
How difficult is Philosophy SL?
Difficulty is mostly about writing quality and conceptual control, not volume of content. Candidates who can define terms, build a clear thesis and handle counterarguments do well; those who retell content without evaluating struggle. The reading load is moderate but demands re-reading primary texts. Treat it as a skill-building course from the start.
Can I retake the exam?
Yes, IB candidates can normally retake in a later examination session, but the rules, deadlines and any internal assessment carry-over are set by the IB and your school's exam coordinator. Ask your coordinator about entry deadlines and whether your internal assessment can be resubmitted. Do not assume a retake is automatic.
How should I manage time in the exam?
The IB publishes the current duration of each paper in the subject guide; timing is not stated here because official arrangements can change. In practice, allocate the first few minutes of an essay paper to choosing questions and outlining, then keep a strict per-question budget. Practise full papers under timed conditions before the exam.
What order should I study the course in?
Start with the core theme, because it supplies concepts used across the course. Then establish your optional theme and prescribed text early so you can read the text twice. Build essay plans alongside reading, not after. Finish with timed practice and internal assessment drafting. Keep one document of definitions and objections.
What are common failure modes?
Typical weaknesses: describing philosophers instead of arguing; ignoring the question's command term; failing to define key terms; avoiding counterarguments; and leaving the internal assessment until the final weeks. Another is memorising model essays that do not fit the prompt. Better to practise planning many questions than memorising a few answers.
How is the internal assessment handled?
You choose or are given a non-philosophical stimulus - an image, news item, advertisement or film scene - and analyse the philosophical issues it raises, with a clear statement of the problem and argument. The teacher supervises and authenticates the work. Confirm your school's internal deadlines and the IB's current word limit and criteria through the official guide.
Which optional theme should I pick?
Choose by interest and by the texts your teacher can support. Ethics and Epistemology are popular because resources are plentiful, but popularity is not a reason. Political Philosophy and Philosophy of Religion reward students who read primary texts carefully. Aesthetics suits candidates who like conceptual analysis of art and judgement. Ask what your school actually teaches.
Do I need to memorise quotations from the prescribed text?
You need close knowledge of the text's arguments and key passages, not a quotation bank. Learn the structure of the argument, the definitions it relies on and the standard objections. A few short accurate quotations can help, but misquoted or decorative quotations hurt more than they help. Refer to specific sections.