In STMG, the characterization table covers almost all management topics. The principle seems simple: fill in a grid with the type of organization, its purpose, its resources, and its size. However, students regularly lose points on this exercise, often for the same reasons. Understanding these recurring mistakes allows for correction before the exam day.
Purpose and missions: the confusion that costs the most points in STMG
You may have noticed that the words “purpose” and “missions” look similar in the course? This is the first source of error. The purpose refers to the overall reason for an organization’s existence: making a profit for a private company, serving the public interest for a public organization, or meeting the needs of its members for an association.
The missions, on the other hand, are the concrete actions taken to achieve this purpose. Let’s take a simple case: a sports association aims to promote sports practice among young people. Its missions may include organizing tournaments, training educators, or managing facilities.
In students’ papers, purpose and missions are often reversed or mixed up. A student writes “organizing competitions” in the purpose box, whereas it is a mission. This confusion leads to a cascading error, as the missions box remains empty or repeats the same idea in another form. To delve deeper into the specific pitfalls of this exercise, a detailed article on the characterization table in STMG lists the most frequent errors identified by teachers.
The rule to remember: the purpose is expressed in one sentence, the missions in several actions. If your “purpose” box contains a list, there is probably a problem.
Filling in the table without the subject documents: the “out of context” error

Since the first sessions of the new technological baccalaureate, feedback from examiners has indicated a clear trend: generic tables copied from the course are increasingly penalized. A successful characterization table does not recite a lesson. It relies on the documentary file provided in the subject.
Why has this point become so strict? Because the subject provides a specific case: a company with its organizational chart, its figures, sometimes excerpts from interviews. Filling in the “resources” box with “human, financial, and material resources” without linking them to the case studied earns no points. The examiner expects elements drawn from the documents.
Here’s how to anchor each box in the case:
- For size, look in the documents for a workforce, a turnover, or a geographical indication (local, national, international) that allows for classifying the organization
- For resources, identify elements mentioned in the file: a software mentioned, a number of employees, a patent, a budget cited in a table
- For the sector of activity, identify whether the organization produces a good, a service, or both, based on the description of its activity in the subject
A good reflex: before filling in a box, highlight in the documents the element that justifies your answer. If you find nothing to highlight, rephrase rather than invent.
Public, private, or associative organization: qualification errors
The type of organization seems to be the easiest box. In practice, it is a regular source of confusion, especially when the subject concerns a public organization or a hybrid structure.
Recent subjects include more public organizations and associations. However, qualifying a public organization as a “company” or attributing a profit motive to it remains a frequent error. A town hall, a public hospital, or a high school does not aim for profit. Their purpose is related to the public interest, and their funding primarily comes from public funds.
The other trap concerns associations. A non-profit association can indeed generate income (membership fees, sales during events). “Non-profit” means that any potential profits are not distributed to members but reinvested in the associative purpose. Writing that an association “does not make money” is therefore a false simplification.

To avoid these errors, ask yourself two questions for each case:
- Who finances this organization? Clients, members, taxes, grants?
- What happens to the financial result? Is it distributed to shareholders or reinvested in the mission?
These two questions are enough to distinguish between private companies, public organizations, and associations in most cases presented in the baccalaureate.
Legal status in STMG: do not confuse form and type of organization
The legal status is the box that generates the most blanks in papers. Many students simply write “company” or “association law 1901” without going further. The problem: “company” is not a legal status.
The legal status corresponds to the legal form of the organization. For a company, it can be a SA, a SARL, a SAS, or a sole proprietorship. For an association, it is indeed “association law 1901” in France. For a public organization, we talk about public establishment, local authority, or state administration.
The legal status is almost always found in the subject documents. It appears in an excerpt from the register, in the presentation of the organization, or in an annex document. If you cannot find it, do not guess: indicate what the documents allow you to deduce and specify the limits of your answer.
A less visible but penalizing error: confusing legal status with the sector of activity. “Tertiary sector” does not go in the status box, and “SARL” does not go in the sector box. Each box has its own logic, and mixing categories reveals a misunderstanding of the grid itself.
The characterization table is not a memory exercise. It is a reading and classification exercise. Students who achieve the best grades are rarely those who know the course by heart, but those who know how to extract information from a document and place it in the correct box with justification drawn from the file.



