Parallel admission is often presented as a path from a bachelor's degree or an ATS prep class toward a top school. Many BTS (advanced technical diploma) holders don't realize they too can apply, either directly or after a bridge year, provided they choose the right exam and build a file that offsets a more technical background than that of a prep school candidate.
The BTS profile in parallel admission
A BTS (Accounting and Management, Sales and Customer Relations, Management Support, among others) is a recognized two-year post-secondary diploma, which legally opens access to level-1 parallel admission exams - provided the target exam explicitly accepts this type of diploma among its prerequisites, which isn't always the case.
The difficulty isn't regulatory but competitive: a BTS candidate ends up competing with bachelor's or prep school students, whose background some juries perceive as more academic. The difference then comes down to demonstrating, through both the file and the interview, a professional maturity that the BTS path - often punctuated by internships - is actually well suited to showcase.
Exams open after a BTS
The Passerelle exam 🔗, whose Passerelle 1 track is open from the second year of higher education, accepts BTS holders alongside BUT and second-year bachelor's profiles. Other business school parallel admission exams, such as Tremplin, also reserve their entry-level track for two-year post-secondary levels, but the exact eligibility criteria (accepted diplomas, relevant specializations) vary from one session to the next and are worth checking directly on each exam's website before registering.
On the engineering school side, direct access after a BTS remains rarer: most parallel admission exams for generalist engineering schools (Centrale group, INSA group) target three- to four-year scientific profiles, which often makes an intermediate step necessary for a BTS holder.
Should you go through an ATS prep class?
The ATS prep class is the most structured bridge between a BTS or an industrial BUT and a generalist engineering school: it prepares specifically for parallel admission exams in one year, with a program calibrated to close the gap with a traditional prep school path.
For a project geared toward a business school rather than an engineering school, this intermediate step isn't necessary: applying directly to the Passerelle exam or an equivalent, with a file that highlights the professional experience gained during the BTS (internships, apprenticeship), is the shortest path.
💡 To learn more: If your project points toward an engineering school, our guide on how the ATS prep class works details the profiles concerned and the exams targeted after this prep class.
Building a convincing file despite a technical background
A BTS candidate's file needs to translate a technical background into strengths a generalist jury can read: internships and apprenticeships, often more numerous than in prep school, should be described by their measurable result rather than a list of tasks, and transferable skills (customer relationship management, advanced office tools, early management experience) should be highlighted without downplaying their value compared to a traditional academic path.
A one-page resume remains the expected standard, with education clearly framed and experience quantified - the same requirement as for any other parallel admission profile.
Examples of successful paths
A candidate with a BTS in Sales and Customer Relations who completed a two-year apprenticeship at a service company can highlight concrete progress: "Grew an active portfolio to 40 clients over 18 months, exceeding sales targets by 12%." This experience, rare among bachelor's or prep school candidates, is a genuine differentiator once properly quantified in the file.
Similarly, a BTS Accounting and Management candidate who can demonstrate operational mastery of accounting software or advanced Excel has a concrete technical argument that few academic candidates can back up with the same hands-on experience.
Building a file that translates this technical background into an application a business school jury can read clearly takes time. FinanceCV generates a structured resume compatible with what parallel admission juries expect, so you can focus on showcasing your background.
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