Diplôme de Sciences Po Saint-Germain-en-Laye Carrières justice-sécurité-défense (CJSD) at CY Cergy Paris University

Programme overview

One-year online diploma delivered by Sciences Po Saint-Germain-en-Laye (RNCP level 7, entry at bac+4, French-language, initial-education regime) preparing students for public-service competitive examinations in justice, security and defence.

Faculty: Sciences Po Saint-Germain-en-Laye | Duration: 1 year | Intake: September (preparation from 7 September 2026; applications 7 April to 6 July 2026) | Study mode: full-time; taught in French | Location: Cergy, Île-de-France, France

What you will study

A common core (general culture, criminal law, public law and civil liberties, synthesis note, English, optional oral preparation, internship) plus a Justice track (civil law and procedure, one elective of administrative or European law) or a Security-Defence track (administrative law, European law, security policies).

Career pathways

Preparation for competitive entry as police officer or commissioner, magistrate, prison service director, gendarmerie officer, or prison integration and probation director.

Official programme page

Application information

Entry requirements

Bac+4 level required. Open to students in initial education and external-competition candidates; can be taken alongside the second year of a master or other programme, or independently. Selection by application file (via Démarches Simplifiées) and, if needed, a phone or video interview. Applications 7 April to 6 July 2026 (extended to 7 September 2026 for candidates not admissible to the competitions prepared). 15 places reserved under the Prépa Talents du service public label for eligible students on merit and income grounds (5,000 EUR bursary supplement and fee exemption).

EUR 1,680 a year. Rate for external students. Sciences Po Saint-Germain-en-Laye students 1,180 EUR; network ScPo / CYU / UVSQ students 1,350 EUR; Prépa Talents students 0 EUR. Source

Intake: September (preparation from 7 September 2026; applications 7 April to 6 July 2026)

Duration: 1 year

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