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Costeas-Geitonas School

Secular, Founded 1973

Updated July 2026

Co-edGender
Non-profitOwnership

Accreditations

Languages

English flagEnglishFrench flagFrenchGerman flagGermanSpanish flagSpanish

Established in 1973, CGS is a private school in Pallini, Athens, serving students from pre-school through secondary school with a focus on international and Greek national curricula. It is a multifaceted institution with a population of 1,910 students, authorized to offer International Baccalaureate programmes.

Teaching approach

The school aims to provide an academic environment where student skills and character flourish through meaningful connections between the classroom and real-life experiences. It fosters a culture of ongoing inquiry, cooperation, and mutual respect, encouraging students to develop positive life attitudes and contribute to the world. The educational approach promotes initiative, self-motivation, and an appreciation for human and universal values.

Programmes

CGS offers a comprehensive academic pathway including the IB Primary Years Programme (PYP) for Kindergarten and Primary School, and the IB Middle Years Programme (MYP) for the Gymnasium and Grade 10. At the senior secondary level, students may choose between the Greek National Curriculum (leading to the Apolytirio Genikou Lykeiou) or the IB Diploma Programme (DP). The school also provides a Pre-IB DP option for Grade 10 students to prepare for the Diploma Programme.

Outcomes

Students are prepared for higher education and the international labor market through a curriculum that emphasizes critical thinking and global perspectives. Graduates have access to university application support for institutions in the EU, Canada, and the USA. The school also tracks results from national examinations and IB Diploma outcomes.

Student support

EAL support
Unknown
Learning support
Unknown

Learning support

The school provides counseling services and maintains a focus on student well-being. Specialized support is integrated into the educational process to assist with student success and personal development.

Frequently asked questions(5)
What curriculum does Costeas-Geitonas School offer?
Costeas-Geitonas School offers IB PYP, IB MYP and IB Diploma.
How much is tuition at Costeas-Geitonas School?
Annual tuition at Costeas-Geitonas School is €8.9K–€14K. Fees vary by year group — confirm the current schedule with the school.
What accreditations does Costeas-Geitonas School hold?
Costeas-Geitonas School holds accreditations including IB and CIS.
Is Costeas-Geitonas School co-educational?
Costeas-Geitonas School is a co-ed school.
Where is Costeas-Geitonas School located?
Costeas-Geitonas School is an international school in Athens, Greece.

Tuition & fees

Annual tuition by grade

2026-2027
Annual tuition by grade
GradeAgesAnnual
Προνηπιαγωγείο/IB PYP (4-5 ετών)4–5€8.9K
Νηπιαγωγείο/IB PYP (5-6 ετών)5–6€8.9K
Α’ Δημοτικού/IB PYP6–7€8.9K
Β’ Δημοτικού/IB PYP7–8€8.9K
Γ’ Δημοτικού/IB PYP8–9€8.9K
Δ’ Δημοτικού/IB PYP9–10€9K
Ε’ Δημοτικού/IB PYP10–11€9K
ΣΤ’ Δημοτικού/IB PYP11–12€9K
Α’ Γυμνασίου/IB MYP12–13€9.5K
Β’ Γυμνασίου/IB MYP13–14€9.5K
Γ’ Γυμνασίου/IB MYP14–15€9.5K
Α’ Λυκείου / IB MYP15–16€9.4K
Β’ Λυκείου16–17€9.6K
Γ’ Λυκείου17–18€9.6K
IB DP (Year 1)16–17€14K
IB DP (Year 2)17–18€13.8K

Source:PDFCGS_SchoolProfile_A4_2024-2025.pdf

Other fees(3)
Other fees
Registration fee· Εφάπαξ Κόστος Νέας Εγγραφής (One-off New Registration Cost)€150
Bus / transport· Zone A: 1,500 €, Zone B: 1,750 €, Zone C: 1,950 €, Zone D: 2,050 €, Zone E: 2,200 €
Meals· 1 day/week: 285€, 2 days/week: 570€, 3 days/week: 855€, 4 days/week: 1,150€, 5 days/week: 1,350€

Admissions

The school provides an online registration of interest form and offers tours of the campus. Prospective families may meet with the admissions or pedagogical teams to discuss the enrollment process. Financial aid and a scholarship fund are available to support students.

Calendar

The school operates on a standard academic calendar, with specific events such as the annual Model United Nations (MUN) conference held in December. Students also participate in seasonal activities, including summer programmes and various sports competitions throughout the year.

Facilities

LibraryMusic roomDance studioArt roomSwimming poolSports fieldTennis courtsGymnasiumScience labs

About the campus

Located in Pallini on a 67,000 m2 campus, the school features 103 teaching classrooms and 3 science laboratories. Specialized facilities include 6 computer labs, a research and media library with over 25,000 holdings, an outdoor amphitheater, a music conservatory, a dance studio, and a visual arts studio. Sports infrastructure comprises 2 indoor heated pools, an outdoor stadium with a track, 4 basketball courts, and a tennis and handball court. The campus also includes a restaurant, a club house, a bookstore, and a fleet of 57 school buses.

Co-curriculars

CGS offers a wide range of co-curricular activities, including the SMART after-school programme, a STEM Academy, and a music conservatory. Students can participate in the Duke of Edinburgh’s International Award, Model United Nations (MUN), and various clubs such as the Bookworms Club and a journalism group. Sports offerings include the Elite Athlete Programme, a Juventus Academy, a triathlon club, and a fencing cup.

  • Christos Geitonas
    Christos GeitonasLeadership και Επιχειρηματικότητα

    Christos Geitonas manages the Costeas-Geitonas School (CGS), an educational organization with over 1400 students and 400 staff. He holds a degree in Economics from the University of Warwick and previously worked at Citigroup in London before transitioning to education in 2004. He is also the founder of JSS (a football academy network with Juventus FC), the Hellenic Educational Society, and the Swiss-based software company Emaginal AG.

  • Zoi GeitonaCoordinator, IB DP

    Zoi Geitona is an IB DP Coordinator. She holds an MEd in Learning and Teaching from Harvard University, an MPhil in Mathematics Education from the University of Cambridge, and a BSc in Mathematics from Imperial College, University of London.

  • Dr. Venia PapaspyrouCoordinator, IB DP Academic Affairs

    Dr. Venia Papaspyrou is an IB DP Coordinator for Academic Affairs. She holds a PhD in Mathematics from the University of Munster, Germany, and a BSc in Mathematics from the University of Athens. She is also an IBO Examiner.