Ozel Çağ Lisesi was established on 83750 square meters land in 1986 by A. Yaşar BAYBOĞAN.
First Year it began teaching with 144 students in English Preparatory Classes.
Second Year it continued education taking 103 students for grade one and five in Primary School.
With the idea of having our own graduates transfer to middle classes was not accepted.
Institution was built as a school and it includes all the technical features of quality life.
High School building and two-storey dining hall were built in 1989.
Closed gym, tennis court, fitness center and synthetic pitch came into service in 1991.
In 1993 a Theater Hall seating 395 was opened.
All the classrooms were equipped with multi-media system in order to enrich the quality of education in 1996.
In 1997 a detached kindergarten was constructed and pupils aged 5 and 6 are offered a rich learning and playing environment there.
Çağ University was founded on 9th July 1997 in accordance with Act No. 4281, and it was opened with a ceremony that was held in the presence of Süleyman Demirel, the 9th President of Turkish Republic.
In 2004 Çağ Science High School was opened. The total number of students including kindergarten reached to over 800 students and 72 teachers.
Çağ College campus facilities include two libraries, 4 science laboratories, 3 computer laboratories, one visual art studio, music hall, and two multi-purpose halls.
In order to educate its students distinguishly and offer them the best in the Turkish educational system, Çağ College emphasizes on accepting limited number of students, as profit is not the main goal.
With that understanding, since 2006 there have been two parallel classes starting from grade one. Although kindergarten, primary school and high school are detached buildings they show a form of unity within their architecture.
Çağ College is a member of the Council of International Schools (CIS),  United Nations Global Compact (UNGC), Eco-Schools, The Union of Turkish Private Schools,
In 2013, all Çağ Schools were granted accreditation by CIS (Council of International Schools)