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American Collegiate Institute (2023-2024 school year figures)


Established in:



Students on roll:


Number of students:  898

Number in graduating class: 174

The school provides a 5-year high school education from Prep to 12th Grade. Prep year is compulsory.


Academic program in Prep:


Intensive English, Second Foreign Language, Turkish, Science, Mathematics, Art, Physical Education, Music and Guidance.


The level of English expected of students registering to ACI:


Students registering at ACI are not expected to know English.


Instruction in a foreign language:

Apart from Turkish Language and Literature and Social Sciences, all classes are taught in English.


Choices for the Second Language Program

German, Spanish, and French


Elective courses (from Grade 10 onwards)


Grammar, Analytic Geometry, Applied Physics and Chemistry, Introduction to Philosophy, Introduction to Psychology, Sociology, History of Science, Modern Turkish and World History, German, French, Digital Film Making, Graphic Design, Web Design, etc.


The IB Diploma Programme

ACI has been authorized to offer the IB Diploma Program as of 2005.


CIS Accreditation


The school is the first high school in Turkey to be accredited by the Council of International Schools (CIS) in 1994. We have been reaccredited by CIS in 2002, 2008 and in 2014.


Number of teaching staff:

We have 121 teachers for the academic year 2023-2024.


Foreign teachers teach classes in English, Mathematics, French, Spanish, Biology, Drama and Visual Arts.


The number of graduates since the school was founded:



Criteria for admission to ACI:

Students are accepted to ACI through a national central exam named LGS.

An applicant must meet the following conditions to be eligible for the exam:

The applicant must be a Turkish citizen (this includes those from other Turkish Republics living in Turkey) who is actively enrolled in the 8th grade in Turkey. The only exception to this rule is for a foreign-born student who has a resident permit and is actively enrolled in the 8th grade in Turkey.


Average number of students in a class


22 in Grades 9 to 12 (13 in IB classes)

Average of 21 in Prep Year (differs between 17-24)


Number of boarding students


Girls: 75 Boys: 84


Number of out-of-town students


408 (including the dorm students)  from 48 different cities of Turkey.


Our out-of-town students come from:


İstanbul, Bursa, Denizli, Afyonkarahisar, Balıkesir, Çanakkale, Edirne, Manisa, Kütahya, Uşak, Aydın, Muğla, Antalya, Mersin, Adana, Isparta, Konya, Kayseri, Şanlıurfa, Erzurum, Gaziantep, Samsun, Kocaeli, Diyarbakır,  Zonguldak, Sivas, Yalova, Kırklareli, Bartın, Kahramanmaraş, Tunceli, Muş, Sakarya


School schedule


School starts at 08.30; ends at different hours according to grades & club hour ;

lunch break: 40 minutes


Our graduates’ preferred areas of study at higher education level 



Business Management& Economy




Our graduates’ preferred Turkish universities 

Bilgi University

Koç University

Sabancı University

Boğaziçi University

Ege University

50% of our students chose to enroll in Turkish universities.

73% of our students who chose to study in Turkey, registered to public universities and private universities with scholarships.


The number of students preferring to study overseas




  The universities from which our 2023 seniors received acceptances 


Please click here to see the list of acceptances



Traditional events in school


Spring Day, Alumni Reunions, Career Days, Founders’ Day, Bazaar Day


Some of the other events


Model United Nations (MUN) conducted either in English, French or German, International Schools Theater Association (ISTA), MOODS, Winter Bazaar, Mole Day, ACI Tree Planting Project, Turkish Literature Festival, Philosophy Olympics, Turkish and English Drama, Career Shadowing Days, GlN Conference, San Remo Music Festival, Vodafone Music Contest, Folkdance Festivals, ACI Biennale


Please click here to read the 2023-2024 Extracurricular Activites Handbook 


Some of the competitions and examinations the students participate in

TUBİTAK Contests(Prestigious Turkish National Math, Science and Technology Contest) MEF-EBAV Project Contests, Gros-Chantier, IELTS, SAT, First Robotics Competition (FRC),  Canadian Open Mathematics Challange, SMC-UK Senior Mathematical Contest, Canadian Senior Mathematics Contest, British Olympiad, UK Intermediate Mathematical Challange (IMC), American Mathematics Competitions AMC-10, Pascals, Cayley, Fermat, British Cayley Olympiad, Grey Kangaroo, Aime, Euclid, Fryer, Galois, Hypatia, Linguistics Olympiads, Dance and Music Contests