Greece, Athens
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Costeas-Geitonas School (CGS) is a long-established private school in Greece educating students aged 3 to 18. It offers the International Baccalaureate across the Primary Years Programme, Middle Years Programme and Diploma Programme, with Greek as the main language of instruction in the PYP and English as a secondary language. The 67,000 square metre campus features 103 classrooms, 3 science laboratories, 6 computer labs, and a Research & Media Library with over 25,000 holdings. Facilities include an Outdoor Amphitheatre, a Music Conservatory, a Dance Studio, a Visual Arts Studio and a Radio Station; two indoor heated pools, an outdoor stadium and track, four basketball courts, and a tennis and handball court. CGS runs the Elite Athlete Programme and partnerships with Juventus Academy Athens and the CGS Triathlon Club, together with the Duke of Edinburgh International Award. CGS Ellinikon was announced in 2022, with first students expected in 2026. The school hosts MUN conferences and a broad arts program.
Kato Viglas, Pallini 153 51, Greece
Costeas-Geitonas School has instruction in English.
CGS is located in Pallini, Attikis, 15351, Greece. The Pallini area is part of the Attica region near Athens. The campus is accessible by local roads and is served by CGS's transportation services.
Pre-School & Kindergarten / IB PYP; Primary School / IB PYP; Middle School / IB MYP; High School; IB Diploma Programme
The school is one of Greece's oldest and most prestigious private schools.
CGS provides inclusive education with a School Counseling Department (SCD) and a Learning Support Team (LST) to support students with learning, social and emotional needs, medical conditions, or mobility challenges. The SCD offers counseling and a range of support services; accommodations include differentiated instruction, extended time, and individualized support plans as needed.
Greece
CGS offers a bus service with defined transport zones (Zone A–Zone E) and corresponding costs for the 2025–2026 academic year.
Annual tuition at Costeas-Geitonas School ranges from EUR 8,400 to EUR 13,600 for 2026/27.
Costeas-Geitonas School teaches IB (PYP), IB (MYP), IB (DP) for students aged 3 to 18.
CGS offers the International Baccalaureate (IB) programmes: Primary Years Programme (PYP), Middle Years Programme (MYP), and Diploma Programme (DP). In the PYP, Greek is the primary language of instruction with English as the secondary language of instruction. CGS provides all three IB programmes for students aged 3–18.
Class of 2025 IB Diploma Programme results: 100% awarded the IB Diploma; average overall score 36.1 out of 45; two students achieved 45/45; 17% scored 40+; 72% scored 35+; 83% were admitted to their first-choice university; 40% were admitted to a Top 150 university.
Graduates gain admission to universities worldwide. For the Class of 2025, 83% were admitted to their first-choice university and 40% to a Top 150 university. University placements include Ludwig Maximilian University of Munich (LMU), KU Leuven, University of Amsterdam, Trinity College Dublin, and Bocconi University, among others.
CGS Academia provides enrichment for highly motivated students with high academic performance. The programme offers subjects such as Astrophysics, Visual Arts, Creative Writing, Philosophy, Programming, and Public Speaking. Eligibility includes a GPA of the previous year equal to or greater than 18 and 7/14, with at least four nominations by the subject groups in the grade.
CGS has Counselling Support Services that promote students' personal development, mental and social well-being, and learning. Experiential activities support social and emotional development at all levels. In the early years, preventive programs focus on emotion recognition and social skills; in later years topics include cyberbullying, identity, and career guidance. Classroom observation helps identify learning strengths and needs and inform support plans. The School Counseling Department includes School Psychologists, a Speech Therapist, an Occupational Therapist and Learning Support Teachers who collaborate with families and teachers to support students.
CGS has a Learning Support Programme that provides diagnosis, remedial education and targeted support for learners with learning difficulties. The programme supports the learner individually to bolster self-esteem, educates teachers on coping with learning differences, informs parents about the policy, and provides in-class monitoring and support in collaboration with teachers. The School Counseling Department addresses learning challenges and emotional, social and behavioral needs, and includes staff who work with families to develop appropriate support plans. Early identification and inclusive practices are embedded in CGS's inclusion framework.
From age 3 to 6, the languages of instruction are Modern Greek and English; English is taught as an additional language. English as a Language Acquisition course is mandatory for all students, and from age 8 (Grade 3) students choose a second additional language (French, German or Spanish). In the Middle Years Programme, learners receive language teaching in at least two languages, with Modern Greek as Language and Literature and English as Language and Literature or Language Acquisition, and a second additional language from MYP2. In the Diploma Programme, English is the language of instruction, with other languages offered as Group 2 courses (English, French, German, Spanish).
CGS supports students' mental and social well-being through Counselling services that accompany academic learning. Experiential activities promote social-emotional skills across the school, with targeted support for emotional needs and pathways to additional assessment when necessary.
CGS follows the Whole School Inclusion Policy to ensure safe, inclusive education and early identification of learning, emotional and social needs. The School Counseling Department provides support for learning, social, emotional, behavioral, medical, mobility and speech-related needs, and comprises School Psychologists, a Speech Therapist, an Occupational Therapist and Learning Support Teachers. The policy emphasizes collaboration with families and ongoing staff development to implement inclusive practices and accommodations in assessments in line with Greek Ministry of Education and IB policies.
IB Mission Statement: The International Baccalaureate aims to develop inquiring, knowledgeable and caring young people who help to create a better and more peaceful world through intercultural understanding and respect. To this end the organization works with schools, governments and international organizations to develop challenging programmes of international education and rigorous assessment. School Mission Statement: At CGS we strive to provide an academic setting where every student's skills and character can flourish to the fullest by encouraging meaningful connections between classroom and real life experiences. Our students work in an environment of ongoing inquiry, cooperation and mutual respect as they acquire a high caliber education and positive life attitudes to make a contribution to the world they live in. Philosophy: Our aspiration is to enroll children and parents who match our educational philosophy, learning culture, ethos and values. The school is committed to the principle of equal opportunity in education, and therefore accepts students without discrimination of gender, colour, race, religion or nationality. CGS is a multi-level and multi-faceted school offering the following programmes: Pre-K4 (ages 4 – 5) – IB Primary Years Programme; Kindergarten (ages 5 – 6) – IB Primary Years Programme; Primary School – IB Primary Years Programme (ages 6 – 12); Middle School- 1st grade of High School – IB Middle Years Programme (ages 12-16); High School – 2nd-3rd grade of Lyceum (ages 16-18); International Baccalaureate Diploma Programme (ages 16 – 18). Admission criteria: Applications for admission are received throughout the school year. An offer of admission is made based on availability, are in accordance with the school's policies and Greek Ministry of Education regulations. Admission criteria are based on age, academic skills, attitude to learning, and candidate's personal profile, taking into consideration the overall dynamics of our existing classes. Based on the year level and language proficiency, testing and screening for placement purposes will take different forms, including, but not limited to, consideration of academic performance records, a personal interview, school readiness testing, literacy and numeracy proficiency testing and a review of previous special needs documentation and health records. Within this framework, admission is based on: interview with the candidate; candidate's performance in diagnostic assessment tasks, designed according to age and grade requirements; candidate's previous academic records, where applicable; a pedagogical report completed by the candidate's current teacher(s)/school, where applicable; a signed declaration by at least one of the parents/guardians of the candidate, which is GDPR compliant and would inform the school of all known or diagnosed special educational needs, is required. Accordingly, professional evaluations, along with details of extra educational, emotional and/or social support the candidate is receiving, should also be provided at the time of application. Failure to provide the required documentation in due time may result in the cancellation of admission. Admission decisions: All applications are reviewed by the Admissions Committee, which consists of the head of the level for which the candidate is applying, programme coordinators, Head of Admissions office and representatives from CGS School Counseling Department (SCD). Special consideration is given to eligible applicants who are siblings of currently enrolled students and to CGS staff and CGS alumni families. However, an offer is not guaranteed, as it is subject to standard Admissions procedure. CGS reserves the right to decide against proceeding with the enrollment of a candidate in consideration of learning support resources' availability and in accordance with the school's Policies. In case significant social / emotional / behavioral issues or learning differences arise during the enrollment process at the school, there will be close consultation with parents, and it is possible that accommodations, to allow the student to enroll at CGS may be required. Consequently, additional costs for this service may be incurred. This review may also involve requiring parents to seek external evaluation by an external body. In case the Admissions Committee determines that CGS is unable to support a student's needs, or if parents are unwilling to proceed with the student's evaluation, CGS reserves the right to terminate the enrollment procedure. Once the application is complete, including receipt of school records and confidential recommendations (previous academic records, pedagogical reports, etc.), offers are formally made either via telephone or e-mail within two weeks. Confirmation of offer & enrollment: Offers for admission are to be accepted or rejected by candidate families within one week of receipt by contacting the Admissions office. Once the offer has been accepted, parents will be sent an acceptance letter as well as a Registration Approval Form (RAF). In order to confirm enrollment and reserve a place for the admitted applicant, completion of the RAF and payment of the registration fee (in accordance with the school's fees) are due within 10 days of receipt of the acceptance letter. These commitments must be made on a timely basis so that we guarantee that places are held for admitted applicants who indeed wish to enroll, or we may allocate places to other candidates in the wait pool. Partial refunds are made within specific deadlines in accordance with the school's fee policy. Class Placement: It is our policy to make initial tentative placements of students in classes for the coming year, according to a set of clear and fairly managed criteria, which include: Academic range and balance; Balance between new and returning students; Behaviour issues; Friendships / optimal peer relationships; Gender (in order to maintain a balance in the class); Size of the class; Special needs requirements within the class; Teacher's professional judgement / experience / detailed knowledge of child, considering academic and personal abilities and needs. These recommendations are given very careful consideration by the teachers and will remain tentative until after the arrival and assessment of new students is completed at the commencement of the next year. Reserved places: Special consideration is given to eligible applicants who are siblings of currently enrolled students and the offspring of CGS alumni. Nevertheless, admission is not automatic, and it is dependent on the number of applicants and the number of spaces available in each particular grade, as well as the qualifications of each applicant. Wait pool: When the number of eligible applicants exceeds the availability of spaces for a particular grade, students may be placed in a wait pool until a place becomes available. Effort is made to keep parents of applicants in the wait pool updated regarding enrollment status and to confirm whether they wish to remain in the wait pool. For further information on the enrollment procedure please follow the link: Enrollment Procedure. Review process of CGS whole-school admissions policy: The CGS whole-school Admissions policy has been reviewed following discussions among Programme Coordinators, Principals, Head of School Counseling Department, Head of Admissions office and the Head of school. The review process was completed in June 2022. Tuition fee: Tuition Fees | Academic Year 2025 - 2026. Pre-K4/IB PYP (4-5 years) 8,400 €; Kindergarten/IB PYP (5-6 years) 8,400 €; Primary School / IB PYP (Grade 1-6) 8,500 € per grade; Junior High School / IB MYP (Grade 7-9) 8,980 € per grade; Senior High School (Grade 10-12) 8,980–9,200 € per grade; IB Diploma Programme (Year 1) 13,600 €, (Year 2) 13,300 €; Transportation (2025-2026) listed by zone; Food Service options and weekly rates are provided. Transportation details include Zone A, B, C, D, and E with corresponding costs. Attachments include CGS Admissions Policy 2022-23 and related materials. Transportation, food service and other fees are also enumerated.
Financial Aid and Scholarship Fund: CGS is offering academic scholarships for the academic year 2026-27. The scholarships are awarded to students who will be attending A' Gymnasium / MYP2, A' Lyceum / MYP5 and the IB Diploma Programme for the academic year 2026-2027. A maximum of 5 Full Scholarships for A' Gymnasium / MYP2; A maximum of 2 Full Scholarships for A' Lyceum / MYP5; 1 Full and a maximum of 3 Partial Scholarships for the IB Diploma Programme. The granting of a Full Scholarship requires an average score of 80% or higher and success in the personal interview (the student profile is consistent with the International Baccalaureate definition for students attending its programmes). The granting of a Partial Scholarship (30%-80%) requires an average score of 60% or higher (the top 10 candidates with the highest score of over 60%) and success in the personal interview (the student profile is consistent with the International Baccalaureate definition for students attending its programmes). Date of Scholarship Exams (Written component): Sunday 7th March 2026. Deadline for submission of application: Tuesday 3rd March 2026. Arrival Time: 8:30-9:00 a.m. Start Time: 9:30 a.m. Duration of Written Exams: 3 hours (1 hour per subject). Candidates will be assessed in the following courses: A' Gymnasium / MYP2: Mathematics (1 hour), Modern Greek Language (1 hour), English (1 hour). IB Diploma Programme (Subjects Duration): English (Part A: Reading Comprehension; Part B: Composition) 1 hour; Mathematics (Part A: 8-10 MCQs; Part B: 4-5 analytical exercises) 1 hour; Critical thinking test (5 MC exercises in English) 30 minutes. Candidates are not tested on specific material; the applicant's previous study should suffice. To participate, applicants must complete the Academic Scholarship Application Form and submit it with the required documents to the Financial Aid and Scholarship Fund by 1pm Tuesday 3 March 2026. Scholarship Application Form for CGS Students; Scholarship Application Form for non-CGS students. For more information: scholarship@cgs.edu.gr. Attachments include sample exam papers for various subjects and levels.
When the number of eligible applicants exceeds the availability of spaces for a particular grade, students may be placed in a wait pool until a place becomes available. Effort is made to keep parents of applicants in the wait pool updated regarding enrollment status and to confirm whether they wish to remain in the wait pool.