What is the extended essay?

    The extended essay is a required component of the International Baccalaureate® (IB) Diploma Programme (DP). 

    It is an independent, self-directed piece of research, finishing with a 4,000-word paper.

    What is the significance of the extended essay?

    The extended essay provides:

    • practical preparation for undergraduate research
    • an opportunity for students to investigate a topic of special interest to them, which is also related to one of the student's six DP subjects. 

    Through the research process for the extended essay, students develop skills in:

    • formulating an appropriate research question
    • engaging in a personal exploration of the topic
    • communicating ideas
    • developing an argument. 

    Participation in this process develops the capacity to analyze, synthesize and evaluate knowledge.

    An extended essay can also be undertaken in world studies, where students carry out an in-depth interdisciplinary study of an issue of contemporary global significance, across two IB diploma disciplines.

    How is study of the extended essay structured?

    Students are supported throughout the process of researching and writing the extended essay, with advice and guidance from a supervisor who is usually a teacher at the school. The students are given the responsibility and held accountable for contacting and meeting with their supervisor.

    Following the completion of the written essay, students should conclude the process with a short interview with their supervisor. This is known as viva voce.

    The extended essay and interview can be a valuable stimulus for discussion in countries where interviews are required prior to acceptance for employment or for a place at university.

    How is the extended essay assessed?

    All extended essays are externally assessed by examiners appointed by the IB. They are marked on a scale from 0 to 36.

    The score a student receives relates to a band. The bands are:

    • A – work of an excellent standard.
    • B – work of a good standard.
    • C –work of a satisfactory standard.
    • D – work of a mediocre standard.
    • E – work of an elementary standard.

    Find out how points awarded for the extended essay contribute to a student’s overall diploma score.

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