Institution Sainte Marie d'Antony

What Institution Sainte Marie d'Antony does

Institution Sainte-Marie d'Antony is a private Catholic educational institution operating under contract with the French Ministry of National Education and governed by the Tutelle Marianiste (Society of Mary). Founded in 1968 and located at 2 rue de l'Abbaye in Antony, Hauts-de-Seine in the southern Paris suburbs, the institution delivers a full pedagogical continuum from primary school (École Sainte-Marie) through middle school (Collège), high school (Lycée), and preparatory classes (CPGE / Campus Saint-Jean) targeting entrance to elite French grandes écoles. Its offering is anchored in Marianist pedagogy — faith-based formation, integral education, family spirit, and preparation for justice and peace — and is differentiated in the regional Catholic independents market by academic outcomes (40%+ 'très bien' honors on the 2024 Baccalauréat across 333 graduates), a sustained 11-consecutive-year UGSEL national swimming championship, and a recent French volleyball championship at the minimes level.

The institution monetizes principally through recurring annual tuition fees paid by families (specific tariff schedules are only disclosed via downloadable PDF upon administrative request), supplemented by a secondary retail stream from an online boutique (boutique.saintemarieantony.fr) selling branded merchandise — polo shirts, sweatshirts, ceramic mugs, and bento boxes at unit prices of €8–€15. Its technology stack is operationally focused rather than product-led: École Directe for student-information management (a third-party platform widely deployed across French schools), an integrated online enrollment workflow combining digital pre-registration with paper documentation submission, social media channels (Facebook, Instagram, LinkedIn, YouTube), a weekly email newsletter ('Sainte-Marie infos'), and an alumni network platform (Alumni ISM at alumni-ism.fr).

Customer acquisition runs through a hybrid direct-enrollment funnel: campus open houses yielding 600+ visitors and 260+ individual interviews during the 2025 CPGE open days, regional CPGE Salon participation (10th edition at Cité Internationale Universitaire de Paris), on-campus admissions interviews, and international exchange partnerships with schools in Germany (Berlin and Hanover), Spain (Valencia and Valladolid), South Korea (Seoul), and England. Complementary programs — pastoral animation, sports, arts and culture (including the Maîtrise d'Antony choir), academic competition preparation, the JOURNAL'ISM student newspaper, and a recently launched BIA aeronautical initiation certificate — round out the value proposition beyond core academic instruction.

Name

Institution Sainte Marie d'Antony

Legal name

Institution Sainte-Marie d'Antony

Website

https://saintemarieantony.fr

Company type

Private

Founded year

1968

Operating status

Operating

Headcount range

251–500 employees

Short description

Institution Sainte-Marie d'Antony is a private Catholic Marianist school in Antony (Hauts-de-Seine, France) delivering K-12 and CPGE preparatory education to families in the Paris region, generating revenue primarily from tuition fees and ancillary merchandise sales.

Ownership category

akta.pro rank

Product category

Private Catholic Education (K-12 and CPGE)

NAICS

Colleges, Universities, and Professional Schools (61131), Elementary and Secondary Schools (6111)

SIC

Services-Educational Services (8200)

akta.pro primary industry

Christian Colleges with Theological Programs (EDAHAKAG)

Keywords

• Catholic K-12 education
• Preparatory classes CPGE
• Private Catholic schooling
• Marianist education network
• French baccalaureate programs

Headquarters

HQ city

Antony

HQ country

France

HQ region

Europe

Offices1 record

Markets served

GTM type

B2C

Offering type

Services

Cost components

Personnel, Operations, Infrastructure, Marketing or Sales, Technology or R&D, Others

Revenue model

1. Tuition and school fees: As a private Catholic school under contract (établissement privé sous contrat) with the French education system, the institution generates revenue primarily through tuition fees paid by families. The school offers a boutique for merchandise including school uniforms and branded items.
2. School boutique merchandise: Online boutique selling school merchandise including polo shirts, sweatshirts, mugs, and bento boxes with school branding.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels9 records

Core offering

Institution Sainte-Marie d'Antony is a private Catholic school under contract with the French Ministry of National Education, providing comprehensive education from primary school (École) through middle school (Collège), high school (Lycée), and preparatory classes (CPGE) for elite French grandes écoles. The institution operates four academic divisions plus a higher education campus (Campus Saint-Jean) and offers ancillary services including pastoral animation, competitive sports, arts programs, international exchanges, academic competition preparation, and an online merchandise boutique.

Product overview

Institution Sainte Marie d'Antony operates as a comprehensive Catholic educational institution in the Marianist tradition, offering a full educational pathway from primary school (École) through high school (Lycée) and preparatory classes (CPGE). The institution is structured into four main academic divisions: École Sainte-Marie (primary), Collège Sainte-Marie (middle school), Lycée Sainte-Marie (high school), and Campus Saint-Jean (CPGE/higher education). Beyond core academics, the institution provides complementary programs including pastoral animation and solidarity initiatives, competitive sports teams (swimming, volleyball, athletics), arts and cultural activities (theater, choir, architecture), international exchange programs with partner schools in Germany, Spain, England, and Korea, and academic competition preparation. The institution also operates an online retail store for school merchandise. The school emphasizes Marianist educational values including spiritual development, integral education, family spirit, justice and peace preparation, and adaptability to change.

Differentiator

Problem solved

Functional benefit

Brands

• École Sainte-Marie Antony: Primary school section serving young students
• Collège Sainte-Marie Antony
• Lycée Sainte-Marie Antony
• CPGE Sainte-Marie Antony
• Campus Saint-Jean

Products and services

• École Sainte-Marie Antony (Primary School) Primary school section providing foundational education for young children with pastoral animation and Marianist-based academic programs.
• Collège Sainte-Marie Antony (Middle School) Middle school section (grades 6-3) offering comprehensive secondary education with emphasis on academic excellence and Marianist values.
• Lycée Sainte-Marie Antony (High School) High school section providing general and technological education tracks (BAC général, BAC technologique, STI2D) with strong emphasis on academic results and university preparation.
• CPGE (Classes Préparatoires aux Grandes Écoles) Two-year intensive preparatory programs for entrance examinations to elite French engineering and business schools (CPGE scientifiques, économiques, littéraires et technologiques).
• Campus Saint-Jean (Higher Education Campus)

Quantifiable outcome

• Over 40% of students received 'très bien' honors on Bac 2024
• +2 more outcomes

Named customers4 records

Segments3 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature1 record

Partnerships

Twelve partnerships are on record, tiered core and minor.

• Colegio El Pilar, Valencia (Spain)coreStrategic or Co-development PartnerLong-standing student exchange partnership with Colegio El Pilar in Valencia, Spain. Students from Sainte-Marie spend extended periods (one month) attending classes and staying with host families, participating in regular academic activities. The exchange includes both the inbound hosting of Spanish students and outbound immersion for French students.
• Schillerschule, Hanovre (Hanover, Germany)coreStrategic or Co-development PartnerExchange partnership with Schillerschule in Hanover, Germany for student mobility. French students participate in 3-week immersion programs attending classes and living with German host families. The partnership includes German students visiting Sainte-Marie as well.
• Katholische Theresienschule, Berlin (Germany)coreStrategic or Co-development PartnerBilingual German-French exchange program with Katholische Theresienschule in Berlin. 17 students from 3ème bilangue (bilingual German-English) participate in 3-week immersion with host families in Berlin. Students from both schools participate in joint cultural activities.
• Evangelische Schule, Frohnau (Germany)minorStrategic or Co-development PartnerExchange partnership with Evangelische Schule in Frohnau, Berlin suburb. Part of the German exchange program network for French-German student mobility.
• Jesús y María, Valladolid (Spain)coreStrategic or Co-development PartnerStudent exchange partnership with Jesús y María school in Valladolid, Spain. 31 Spanish students from two schools were hosted by French families for a cultural and linguistic exchange program.
• Inmaculada Misioneras, Valladolid (Spain)coreStrategic or Co-development PartnerPartnership with Inmaculada Misioneras in Valladolid for Spanish-French student exchange, hosting 31 Spanish students with corresponding French families for cultural immersion.
• Lycée Banpo, Seoul (South Korea)coreStrategic or Co-development PartnerInternational exchange partnership with Lycée Banpo in Seoul, South Korea. Students participate in month-long cultural immersion programs, visiting historical sites, meeting Korean counterparts, and experiencing Korean culture firsthand. The partnership provides cross-cultural learning experiences between France and South Korea.
• Théâtre du Soleil, Cartoucherie de VincennesminorImplementation/ SI/ Consulting PartnerCultural partnership with the renowned Théâtre du Soleil theater company at the Cartoucherie de Vincennes. Students visit the theater for cultural education, learn about theater production, and participate in theatrical workshops with professional actors.
• CEA (Commissariat à l'énergie atomique et aux énergies alternatives)minorStrategic or Co-development PartnerScience outreach partnership with CEA. Female scientists from CEA conduct workshops and career presentations for middle school students, sharing their professional journeys in fields including 3D metal printing, thermal-hydraulics, and laboratory modeling.
• Schneider ElectricminorStrategic or Co-development PartnerPartnership with Schneider Electric as venue host for the Olympiades de Sciences de l'Ingénieur academic competition finals. The company hosted the final academic competition where ISM students won first prize.
• ISEN ParisminorChannel Partner/ Reseller/ DistributorPartnership with ISEN Paris engineering school for open house events and student orientation. ISM promotes ISEN programs to prospective students and shares information about engineering education pathways.
• Various NGOs and associations (Solidarity Week)minorOthersDuring annual Solidarity Week, the institution partners with multiple organizations including: Fondation Marianiste, Enfants du Mékong, Habitat et Humanisme, Citoyenneté IMC, ACAT, Secours Catholique, Conférence Saint Vincent de Paul, Pour un Sourire d'Enfant, CCFD-Terre Solidaire, and the Africa Project for Marianist works.

Scale indicators10 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• Cours Fénelon: Catholic school in Paris with primary through lycée offering and a comparable faith-based educational mission. Targets overlapping Catholic families in the Paris region.
• Lycée Sainte-Geneviève (Ginette): Elite Catholic school in Versailles with renowned CPGE programs and a strong grandes écoles placement record. Operates a comparable K-12 + CPGE pathway and competes with Institution Sainte-Marie d'Antony for the same high-achieving student pool in Île-de-France.
• École Alsacienne: Prestigious Catholic school in the 6th arrondissement of Paris serving elementary through lycée with a strong academic reputation. Competes directly with ISM Antony for academically ambitious Parisian families.
• Lycée Stanislas: Top-tier Catholic school in Paris offering comprehensive pre-K through CPGE education with strong academic outcomes. Highly comparable in scale, faith-based mission, and Parisian catchment area.
• Lycée Notre-Dame de France: Catholic school in Paris offering a comprehensive K-12 pathway with similar Marianist-adjacent values and Parisian catchment. Comparable in scale and educational offering.
• Lycée Saint-Louis: Historic Parisian lycée with some of France's most prestigious CPGE programs. While publicly administered, it draws from the same top-tier academic pool and serves as the public benchmark for ISM Antony's CPGE positioning.
• Lycée Hoche: Versailles-based lycée with elite CPGE programs and consistently top grandes écoles placement rates. Operates in the same western Paris catchment area and competes for the same grandes écoles-bound students.

Regional players

• Lycée Saint-Joseph: Network of Catholic schools across France, several of which share the Marianist or similar Catholic educational tradition. Comparable in mission but typically located outside the direct Paris-region competitive set.
• Institution Sainte-Marie (Réseau Marianiste, other locations): Sister schools within the broader Marianist educational network in France. Share the same Marianist pedagogical tradition and governance by the Tutelle Marianiste, but operate in other regions rather than competing directly in Île-de-France.

Others

• ISEN Paris: Engineering school partner and CPGE destination. While not a direct competitor, ISEN represents the post-CPGE pathway that ISM Antony's preparatory classes feed into, making it a strategic educational partner.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

• YouTubeyoutube.com/channel/UCoEOL9y9akmX72wsHI16kIg
• Facebookfacebook.com/ismantony92
• LinkedInlinkedin.com/company/institution-sainte-marie-d-antony
• Instagraminstagram.com/ismanews92/?hl=fr

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Institution Sainte Marie d'Antony