
American Community Schools of Athens (ACS Athens)
Secular, Founded 1945
Updated July 2026
Curriculum
Accreditations
ACS Athens is a student-centered international school in Greece that provides a holistic education based on American educational philosophy for students of over 60 nationalities. It is an accredited institution offering a rigorous academic path, including the American High School Diploma and the International Baccalaureate (IB) Diploma.
Curriculum
Term structure
Teaching approach
ACS Athens is a student-centered international school that embraces American educational philosophy, principles, and values. It aims to empower individuals to become architects of their own learning, fostering a community of cooperation, belonging, and trust. The school emphasizes holistic development—intellectual, emotional, physical, and ethical—and promotes civic responsibility and a lifelong commitment to learning. Its vision is to prepare students to thrive as conscious global citizens who improve life and living on the planet.
Programmes
The school offers a comprehensive academic program spanning from early childhood through high school. The Academy (grades 9-12) provides the American High School Diploma, which requires 26 Carnegie Units, and the International Baccalaureate (IB) Diploma Program. Students may also pursue Advanced Placement (AP) courses and, for native Greek speakers, a two-year Greek High School Equivalency (Apolytirion) course. The curriculum is supported by the Institute, which provides masterclasses and innovative learning tools.
Outcomes
Graduates of ACS Athens are prepared for higher education at universities and colleges worldwide, including institutions in the United States, Canada, the United Kingdom, and the European Union. The school tracks college acceptances and success stories, and students have access to college counseling, standardized testing preparation, and academic guidance. The school's graduates are characterized as inquirers, knowledgeable thinkers, communicators, principled, open-minded, caring, risk-takers, balanced, reflective, and decision-makers.
Student support
Learning support
The school provides comprehensive support services through the Optimal Learning Program (OLP), which includes standard programs, consultation, and Individualized Support Plans (ISP). Additional services include the Learning Enhancement Program (LEP), ESL/EFL language support, and the Math Circles Program. The school also facilitates shadow teaching support and provides educational testing and preparation services.
Frequently asked questions(5)
- What curriculum does American Community Schools of Athens (ACS Athens) offer?
- American Community Schools of Athens (ACS Athens) offers IB Diploma and Advanced Placement.
- How much is tuition at American Community Schools of Athens (ACS Athens)?
- Annual tuition at American Community Schools of Athens (ACS Athens) is €7.3K–€14.7K. Fees vary by year group — confirm the current schedule with the school.
- What accreditations does American Community Schools of Athens (ACS Athens) hold?
- American Community Schools of Athens (ACS Athens) holds accreditations including IB and Middle States Association.
- Is American Community Schools of Athens (ACS Athens) co-educational?
- American Community Schools of Athens (ACS Athens) is a co-ed school.
- Where is American Community Schools of Athens (ACS Athens) located?
- American Community Schools of Athens (ACS Athens) is an international school in Athens, Greece.
Tuition & fees
Annual tuition by grade
2026-2027| Grade | Ages | Annual |
|---|---|---|
| Grades PJ - JK | 3–4 | €7.3K |
| Kindergarten | 5–5 | €9.7K |
| Grades 1-5 | 6–10 | €12.3K |
| Grades 6-8 | 11–13 | €13.3K |
| Grades 9-12 | 14–17 | €14.7K |
Other fees(9)
| Registration fee· Registration Fee per New Student (one-time fee) for Grades 1-12. Lower fees apply for entry at Junior Kindergarten (€221) or Kindergarten (€221). | €963 |
|---|---|
| Enrolment fee· Capital Assessment Fee (annual) | €297 |
| Enrolment fee· Institutional Tuition (per family, annual) | €341 |
| Enrolment fee· Special Project Assessment Fee (per family, annual) | €698 |
| Materials· Textbook Fee: €90 for PJ-JK, Kindergarten, and Grades 1-5; €143 for Grades 6-8; €261 for Grades 9-12 | — |
| Materials· Technology Fee (annual) | €71 |
| EAL· EFL/ESL Program (Annual Fee) | €1.6K |
| Registration fee· IB Full Diploma (2-year program) | €1.4K |
| Boarding· Day Care Program in PJ-JK Extended Program until 3:45 pm (annual) | €1.8K |
Admissions
The admissions process begins with a meeting request, which can be initiated through the school's website. Prospective families are encouraged to schedule a visit to the campus to learn more about the school's offerings and environment. Eligibility and application deadlines are available for review, and the school provides a 'Survive and Thrive' guide and FAQ for newly admitted families.
Calendar
The school operates on a standard academic calendar, with specific dates for the 2025-2026 and 2026-2027 school years available in PDF format. Tuition and fee payments are typically due by August 26 for the first semester and January 8 for the second semester.
Facilities
About the campus
The campus features a variety of specialized spaces, including the Sabbagh Library & Literacy Center, a theater, and multiple cafeterias. Academic facilities include an Innovation Lab, an Incubator, and a Learning Commons equipped with a Writing/Research Studio, Math/Science Studio, and Media Studio. Athletic facilities are available for competitive and recreational sports, and the school maintains a health office and transportation services. The facilities team is responsible for the ongoing maintenance and safety of all buildings and grounds.
Co-curriculars
The school offers a wide range of co-curricular activities, including competitive sports, recreational activities, and sports academies such as tennis. Students participate in the House System, various clubs, and civic responsibility initiatives. The school also hosts events like the Literacy Festival, math competitions (AMC, MOEMS, MathCounts, Kangaroo), and provides opportunities for artistic expression through visual and performing arts. Additionally, the CAS (Creativity, Activity, and Service) requirement is an integral part of the IB Diploma program.



- Peggy PelonisPresident
Dr. Peggy Pelonis is the President of ACS Athens. She is a licensed psychotherapist, certified school counselor, and holds school leadership certification from Harvard. Her work focuses on educational transformation, resilience, and change management, and she has authored several books and numerous articles on these topics.
- Julia TokatlidouDean of Academics
Ms. Tokatlidou has been with ACS Athens since 2005, serving in roles including IB Economics faculty, Director of IB and AP programs, and Academy Vice-Principal before becoming Dean of Academics. She spearheaded the launch of ACS Athens Virtual and the Youth to Youth Educational and Social Integration Program. She holds an M.B.A. and a Certificate for International School Leadership.
- Harry LeonardatosAcademy Principal
Dr. Leonardatos has over 35 years of experience in education, previously serving as a high school principal and Head of High School at Léman Manhattan Preparatory School. He holds a Ph.D. in Educational Policy from the University at Albany and has extensive experience in developing IB and AP programs.
- Matina StergiopoulosMiddle School Principal
Dr. Stergiopoulos has over 20 years of experience in education, including roles as an English teacher and Assistant Principal in the New York City Department of Education. She holds a Doctorate in Entrepreneurial Leadership in Education from Johns Hopkins University and is a recipient of the New York State English Council’s Educator of Excellence Administrator Award.
- Dora AndrikopoulosElementary School Principal
Ms. Andrikopoulos has been teaching at ACS Athens since 1989, having taught Science and Mathematics across elementary, middle, and academy levels. She has served as the JK-12 Mathematics Coordinator and is currently the Elementary School Principal. She holds a Bachelor of Science Education with a major in Mathematics from Melbourne University.
- Ifigeneia RodopoulouHead of Academic and College Guidance
Ms. Rodopoulou has been a member of ACS Athens since 2017, serving as an Advisory Teacher, Special Educator, and Online Instructor. She holds a bachelor’s degree in Pedagogy, Psychology and Philosophy, a master’s degree in Special Education, and a certificate in College Counseling from UC San Diego.
- Mary-Ann AugoustatosDirector of Learning Commons, Action Research Coordinator, Internal Accreditation Coordinator Chair, MSA RAIL Chair
Ms. Augoustatos has spent over three decades as an educator at ACS Athens, specializing in high school mathematics and international school administration. She holds a Bachelor of Science in Mathematics and a Masters of Arts in Education, and is a certified International School Administrator.
More international schools in Athens
- St Catherine's British SchoolNational Curriculum (England), IGCSE, IB Diploma
- Pierce - The American College of GreeceIB Diploma
- Costeas-Geitonas SchoolIB PYP, IB MYP, IB Diploma
- International School of AthensIB PYP, IB MYP, IB Diploma
- Doukas SchoolΕκπαιδευτήρια ΔούκαIB Diploma, Cambridge A-Level
- Lampiri SchoolsIB Diploma
IB Diploma
Advanced Placement
Middle States Association